New Zealand Campervan Road Trip: Complete 2026 Travel eSIM & Rural Coverage Guide

The Realities of Cellular Coverage on a New Zealand Campervan Expedition

Navigating New Zealand by campervan is a dream itinerary, but the country’s dramatic geography presents severe logistical challenges for cellular infrastructure. The same geological forces that created the Southern Alps, deep-cut glacial fiords, and lush temperate rainforests also create massive radio frequency (RF) shadows. Understanding how local network topology interacts with remote terrain is critical for keeping your navigation running, staying safe in extreme weather, and managing everyday camp logistics.

       CELLULAR PROPAGATION IN RURAL NEW ZEALAND
       
 [Cell Tower]
      \  Band 28 (700 MHz APT) -> Deep Foliage & Valley Reach
       \===---------------------------------------------> [Campervan] (Connected)
        \
         \  Band 3 / Band 7 (1800/2600 MHz) -> High Capacity, Short Range
          \---> [Dense Rainforest / Mountain Ridge]  x (Blocked Signal)

Topographical Bottlenecks: North Island vs. South Island

Cellular coverage differs radically between the North and South Islands:

• The North Island: Features rolling hills, volcanic plateaus, and higher population density. While coverage along State Highway 1 is nearly ubiquitous, dead zones rapidly appear when driving through the dense bush of the Urewera Ranges, the rugged East Cape, or the elevated, wind-swept Desert Road (SH1) during winter storms.
• The South Island: Dominated by the 500-kilometer spine of the Southern Alps. Alpine passes—such as Arthur’s Pass (SH73), Haast Pass (SH6), and Lindis Pass (SH8)—frequently lose macro-cell connectivity for stretches spanning 20 to 60 kilometers.
• Fiordland & The West Coast: On the iconic drive along the Milford Road (SH94) into Milford Sound, towering granite cliffs completely block line-of-sight signals from terrestrial towers. Similarly, the dense canopy of West Coast temperate rainforests heavily attenuates mid-to-high frequency signals.

New Zealand Frequency Bands: Why Band 28 (700MHz) is Essential

To secure reception outside major metropolitan centres like Auckland, Wellington, and Christchurch, your phone or eSIM-enabled device must support New Zealand’s specific RF spectrum allocations.

Note: If you bring an imported or carrier-locked device that lacks Band 28 support, your phone will drop to "No Service" the moment you exit suburban city boundaries.

Mission-Critical Apps That Demand Real-Time Cellular Data

A self-drive campervan holiday in New Zealand relies heavily on mobile data for safety and logistics:

1. Waka Kotahi (NZ Transport Agency) Alerts: Mountain passes, coastal routes, and bridges are vulnerable to slips, washouts, and black ice. Live data is essential to check real-time road closures before committing to a 4-hour detour.
2. MetService NZ: Microclimates can shift from calm sunshine to gale-force winds in under an hour. High-sided motorhomes face serious rollover risks during severe wind warnings on open plains like the Canterbury Plains or the Desert Road.
3. Gaspy: Fuel prices in remote hubs (e.g., Fox Glacier, Te Anau) can be 20–30% higher than in regional cities. Gaspy tracks crowdsourced fuel prices, helping you save hundreds of dollars over a multi-week trip.
4. Department of Conservation (DOC) & CamperMate: Freedom camping compliance is heavily monitored across both islands. Real-time access is required to verify DOC campsite availability, pay booking fees, and confirm self-contained vehicle regulations.

Mitigating Valley Shadows with Smart Connectivity

Relying on a single domestic network often means losing critical data access the moment you enter an RF shadow. When service drops or standard data buckets hit high-volume limits during heavy navigation, many standard international roaming profiles throttle speeds to an unusable 128kbps—effectively breaking live mapping and payment workflows.

To prevent this digital standstill, using an agile roaming service like MollySIM provides a substantial technical advantage. MollySIM implements a 384kbps Fair Use Policy (FUP) throttle limit—three times faster than traditional 128kbps limits. At 384kbps, mission-critical tasks such as re-routing on Google Maps, updating live Waka Kotahi traffic vectors, and authenticating Apple Pay/Google Wallet at remote uncrewed fuel stations continue to function smoothly without leaving you stranded in a communication blackout.

Mapping New Zealand’s Remote Dead Zones: From Milford Sound to the Catlins

Even with tier-one carriers like One NZ and Spark investing heavily in rural cell towers, New Zealand’s extreme topography—characterized by sheer granite fjords, dense temperate rainforests, and towering mountain passes—creates unavoidable RF (radio frequency) dead zones. Understanding where these connectivity blackouts occur allows you to plan fuel stops, freedom camping check-ins, and navigation without risking safety.

South Island Alpine & Coastal Blackouts

1. Fiordland & The Milford Road (State Highway 94)

The 120-kilometer stretch between Te Anau Downs and Milford Sound is one of the most critical cellular blackouts in Australasia. Once you pass Te Anau Downs, signals vanish entirely until you reach the Milford Sound visitor terminal, where an oversubscribed local microcell offers unstable reception. The 1.2 km Homer Tunnel and the sheer granite walls of the Cleddau Valley completely shield all satellite and terrestrial radio bands.

2. The Alpine Passes (SH6, SH73, SH7)

• Haast Pass (SH6): Connecting Wanaka to the West Coast, this corridor features a 100+ kilometer dead zone stretching from Makarora past the Gates of Haast to Knights Point. High-canopy rainforest and narrow river valleys prevent signal penetration.
• Arthur’s Pass (SH73): Cellular coverage drops abruptly after Springfield on the Canterbury side and is absent through the Otira Gorge until approaching Kumara Junction on the West Coast, save for a low-bandwidth pocket in Arthur’s Pass Village.
• Lewis Pass (SH7): An 80-kilometer blackout isolates the route between the Hanmer Springs turnoff and Springs Junction.

3. Mount Cook Highway (SH80) & Lake Pukaki

While Twizel boasts strong 4G/5G nodes, heading north along SH80 toward Aoraki/Mount Cook brings persistent coverage drops as the road hugs the western edge of Lake Pukaki. The final 20 kilometers approaching Mount Cook Village suffer from severe mountain-shadow attenuation, with the village itself relying on a congested local tower that struggles during peak summer afternoons.

4. The Catlins Coastal Route (SH92)

Running along the southeastern tip of the South Island between Balclutha and Invercargill, the Catlins is notorious for rolling coastal hills that deflect macro-tower signals. Key tourist detours—including Slope Point (the southernmost point of the South Island), Curio Bay, and Purakaunui Falls—have zero reliable mobile reception.

North Island Rural Corridors

• The Forgotten World Highway (SH43): Spanning 150 kilometers from Stratford to Taumarunui, this remote corridor traverses dense hill country and the unpaved Tangarakau Gorge. Expect zero cellular signal for over 90 kilometers of the drive, with only brief, low-speed legacy connectivity around the Republic of Whangamomona.
• The East Cape (SH35): Circling the isolated northeastern peninsula from Opotiki to Gisborne, SH35 runs along rugged cliff faces where inland cell towers cannot reach. Coastal bends and bays regularly drop to "No Service" status for 30–50 kilometer intervals.

Critical Touring Corridors: Connectivity Risk Profile

Pre-Departure Blackout Protocol: Offline Preparation

When entering deep valleys, passive cellular scanning rapidly drains your device's battery while searching for nonexistent signals. Follow this pre-departure checklist before leaving major staging hubs (e.g., Queenstown, Te Anau, Wanaka, Greymouth):

1. Pre-Cache Offline Mapping Databases: Download entire regional maps within Google Maps or Maps.me. Do not rely on active browser caching; force a direct offline download covering the entire regional council area (e.g., all of Southland and the West Coast).
2. Synchronize CamperMate and Rankers: Open your camping management apps while connected to high-speed data and download the complete offline database, including DOC campsite GPS coordinates, waste dump stations, and user reviews.
3. Download Media and Work Assets Locally: Offline your driving playlists, audiobooks, and emergency PDF permits. Continuous streaming requests in weak signal zones will freeze your infotainment system.
4. Establish a Scheduled Check-in Protocol: Inform an emergency contact or your campervan rental operator before entering high-risk alpine routes (such as SH94 or SH6). Define an estimated time of arrival (ETA) at your destination hub.
5. Protect Edge Re-authentication with High-Floor eSIM Profiles: When emerging from a blackout into a low-signal fringe area, standard travel SIMs throttled to 128kbps often timeout during SSL/TLS handshakes, preventing payment terminals or GPS apps from refreshing. Utilizing MollySIM ensures that even when base data limits are crossed, the 384kbps FUP floor provides sufficient throughput to re-authenticate banking tokens, refresh Waka Kotahi road condition alerts, and load live campsite availability immediately upon catching the first available cell tower.

Local Carrier Breakdown: Spark vs One NZ vs 2degrees for Highway Penetration

Navigating New Zealand’s remote highway corridors requires an understanding of how the country’s three primary Mobile Network Operators (MNOs)—Spark, One NZ, and 2degrees—deploy their physical radio access networks (RAN). The geographic isolation of the Southern Alps, the rugged terrain of the West Coast, and the vast expanses of the central North Island create complex RF propagation challenges.

Spark NZ: The Rural 700MHz Powerhouse

Spark (formerly Telecom New Zealand) holds the most comprehensive rural footprint in the country. By anchoring its remote network on LTE Band 28 (700MHz APT), Spark achieves superior signal propagation across long distances and through dense temperate rainforests. Lower frequency bands bend more effectively over rolling terrain, making Spark the dominant carrier in remote corners like the Catlins, the East Cape, and the fringes of Fiordland. If your route cuts deep into Department of Conservation (DOC) territory, Spark’s native base stations are historically the most prevalent.

One NZ: Highway Corridors and Satellite Redundancy

One NZ (formerly Vodafone New Zealand) delivers extensive coverage along major transit arteries, including State Highway 1, State Highway 6 across the West Coast, and the Haast Pass corridor. One NZ has heavily co-invested in the government-backed Rural Broadband Initiative (RBI), deploying shared tower infrastructure in remote settlements. Additionally, One NZ has partnered with satellite operators to pioneer direct-to-cell satellite text and data capabilities, designed to eliminate remote blackouts in coming years. For continuous driving between regional townships, One NZ’s LTE network offers high bandwidth and low latency.

2degrees: The Urban and Regional Challenger

While 2degrees has built a modern 5G network across Auckland, Wellington, Christchurch, and Queenstown, its rural infrastructure lags behind Spark and One NZ in ultra-deep wilderness sectors. Although 2degrees utilizes national roaming agreements in specific remote zones, campervan travelers venturing off primary state highways into isolated national park access roads will experience signal dropouts earlier than those on Spark or One NZ infrastructure.

The Single-Carrier Blind Spot: The "Valley Trap"

Campervan travelers using a standard local SIM locked to a single carrier frequently run into the Single-Carrier Blind Spot. Due to how the Rural Connectivity Group (RCG) and independent private networks distribute rural cell towers:

• Valley A (e.g., Arthur's Pass approach) may be served exclusively by a Spark-owned transmitter.
• Valley B (e.g., the adjacent Otira Gorge descent) may feature a standalone One NZ macro site.

A road tripper reliant on a single physical SIM will see their connection drop completely to "No Service" when entering an alternate carrier’s territory, disabling live routing updates and online messaging.

Connectivity Matrix: Local SIMs vs. Pocket Wi-Fi vs. Multi-Network eSIM

Why Dual-Core Roaming Infrastructure Wins the Rural Route

Choosing a multi-network solution like MollySIM eliminates single-carrier dead zones. By holding dynamic roaming agreements with tier-1 infrastructure, the eSIM automatically handshakes with whichever local cell tower emits the strongest signal—whether that is a Spark 700MHz mast on a coastal headland or a One NZ transceiver along a mountain pass.

Furthermore, standard prepaid travel cards cut data completely or restrict speeds to an unusable 128kbps once your high-speed quota is spent. At 128kbps, modern security certificates timeout, breaking navigation re-routing, dynamic campsite lookups, and Apple Pay/Google Wallet authentications.

MollySIM maintains a 384kbps Fair Use Policy (FUP) safety floor—three times the throughput of traditional tourist SIMs. This ensures essential telemetry, vector map rendering, banking verification, and messaging continue operating smoothly, even in the most remote reaches of Aotearoa.

Why Multi-Network Roaming & 384kbps Emergency Fallback Are Campervan Essentials

Campervan travel across New Zealand’s rugged geography exposes a critical vulnerability in traditional mobile connectivity: single-carrier dependency. When traversing isolated terrain like the Haast Pass, Arthur’s Pass, or the remote coastlines of the Catlins, physical topography frequently blocks individual cellular transmission towers.

Understanding the technical distinction between static domestic SIMs and dynamic multi-network architecture is vital for maintaining reliable navigation, emergency safety, and continuous connectivity throughout your itinerary.

Dynamic Multi-Network Failover vs. Static Carrier Locking

Standard prepaid SIM cards sold at Auckland or Christchurch airports lock your device to a single Public Land Mobile Network (PLMN) via a fixed Mobile Network Code (MNC). If you purchase a standard Spark or One NZ retail card:

• Your device is restricted exclusively to that specific carrier's physical cell nodes.
• If a mountain ridgeline obstructs your carrier's mast, your handset displays "No Service"—even if an alternative carrier’s mast is transmitting from across the valley.
• You are forced to manually swap physical plastic SIM cards or purchase secondary eSIM profiles to regain connectivity.

In contrast, MollySIM operates on an intelligent roaming profile with tier-1 international carrier clearinghouses. Rather than locking to a single domestic provider, the eSIM queries all available local cellular base stations (Spark, One NZ, and 2degrees).

When signal degradation occurs (such as dropping below -110 dBm RSRP in a glacial valley), the device initiates an automated, non-disruptive PLMN handover to the strongest alternative mast. This dynamic failover dramatically reduces deep rural dead zones across both the North and South Islands.

The Mathematics of Survival: Why 384kbps Is the Critical Baseline

Most budget international eSIMs and domestic tourist passes implement a hard Fair Use Policy (FUP) cap: once your purchased high-speed gigabytes are exhausted, bandwidth is instantly choked down to 128kbps—or severed completely.

In real-world road trip conditions, 128kbps is functionally dead data. Modern web applications rely on intensive TLS 1.3 cryptographic handshakes, dynamic JavaScript bundles, and API calls that automatically timeout over a 128kbps pipe (which yields a maximum theoretical throughput of just 16 KB/s).

MollySIM engineers a continuous 384kbps FUP emergency fallback safety floor (48 KB/s effective throughput). This triple-bandwidth allocation guarantees the survival of core vector and text-based protocols.

1. Mission-Critical Telemetry & Route Safety

Navigating unpredictable alpine passes requires real-time access to Waka Kotahi (NZ Transport Agency) road closure feeds and MetService avalanche alerts. At 384kbps, lightweight JSON and XML alert streams render in under two seconds. Navigation apps utilizing pre-cached vector profiles (like Google Maps or Apple Maps) pull incremental differential map tiles seamlessly, preventing your navigation loop from freezing during unannounced highway diversions.

2. Emergency Contact and Location Dispatch

If your campervan encounters a mechanical breakdown or medical emergency along the Milford Road (State Highway 94), dispatching a 5-minute continuous WhatsApp or iMessage Live Location beacon requires stable upstream bandwidth. While 128kbps connections frequently drop connection handshakes during concurrent GPS telemetry transmission, 384kbps comfortably handles continuous location polling alongside background push notifications.

3. Administrative Field Autonomy (DOC & Camping Access)

Booking Department of Conservation (DOC) serviced huts or unmonitored conservation campsites requires transmitting session tokens and low-overhead payment webhooks. A 384kbps throughput ensures authentication scripts complete within server timeout windows, eliminating the risk of being stranded without validated permits when off-grid high-speed quotas run out.

Essential Campervan Apps & Battery-Saving Data Strategies for the Open Road

Traveling through the vast expanses of New Zealand’s South Island or the remote reaches of East Cape requires intentional digital and electrical management. When dry camping (freedom camping) without 240V mains hookups, your smartphone serves as your primary route navigator, weather radar, and accommodation locator. Maximizing device uptime and minimizing background data drain are critical operational habits.

1. Essential Kiwi Travel Apps: Pre-Departure Configuration

Do not wait until you lose cellular reception on Arthur’s Pass to set up your navigation tools. Configure these core New Zealand road trip applications while on high-speed connectivity:

• CamperMate:
• Setup Action: Open Settings > Offline Maps and download the North and South Island offline map packages (approx. 800MB total).
• Filter Rules: Toggle map layers to permanently display Dump Stations (Public & DOC), Potable Water Sources, and LPG Refill Points. For larger custom cab-over motorhomes, activate the Low Clearance Bridges overlay to avoid structural collisions on rural single-lane underpasses.
• Rankers Camping NZ:
• Setup Action: Tap the offline toggle in the main menu to download all regional DOC site rulebooks, verified freedom camping GPS coordinates, and crowd-sourced ranger inspection reports.
• Gaspy:
• Optimization: Set your fuel grade (e.g., Diesel or Unleaded 91) and a search radius of 25km–50km. In rural hubs like Franz Josef or Wanaka, diesel price variations often exceed NZ$0.40 per liter between adjacent stations; checking Gaspy prior to descending into low-density valleys yields major trip savings.
• NZ Avalanche Advisory (NZAA) & MetService:
• Optimization: Bookmark high-elevation alpine routes (e.g., Crown Range Road, Milford Road). Download static topographical snowpack profiles before entering backcountry access trailheads.

┌────────────────────────────────────────────────────────────────────────┐
│                        DATA CONSERVATION MATRIX                        │
├───────────────────┬───────────────────────────────┬────────────────────┤
│ Application       │ Pre-Trip Offline Download     │ Real-Time Utility  │
├───────────────────┼───────────────────────────────┼────────────────────┤
│ CamperMate        │ Vector Base Maps (800 MB)     │ Live Waste Pointers│
│ Rankers NZ        │ DOC Regulatory Layer (250 MB) │ Review Updates     │
│ Google Maps       │ South Island Region (1.8 GB)  │ Dynamic Rerouting  │
│ Gaspy             │ Local Price Cache (15 MB)     │ User Fuel Bounties │
└───────────────────┴───────────────────────────────┴────────────────────┘

2. OS-Level Data & Telemetry Suppression

Operating in remote zones requires restricting stealth background updates that consume cellular data quotas and deplete your phone's battery via continuous cell-tower polling.

iOS Setup:

1. Engage Low Data Mode: Navigate to Settings > Cellular > Cellular Data Options > Data Mode and select Low Data Mode. This disables automatic iCloud syncing, pauses background photo uploads, and suspends automatic App Store updates.
2. Isolate Background App Refresh: Go to Settings > General > Background App Refresh and switch it to Wi-Fi Only or individually disable high-drain social media and cloud platforms.
3. Halt Automated Cloud Ingestion: Under Settings > Photos, disable Cellular Data to prevent high-resolution 4K camera footage captured during your hikes from uploading over cellular data.

Android Setup:

1. Enable System Data Saver: Go to Settings > Network & internet > Data Saver and switch it On.
2. Restrict Background Access for High-Consumption Apps: Long-press individual streaming and social apps, tap App info > Mobile data & Wi-Fi, and toggle off Background data.
3. Google Photos Upload Limiting: Open the Google Photos app, tap your profile icon, go to Photos settings > Backup > Mobile data usage, and set the daily limit to No data or cap it at 30MB/day.

3. Campervan Electrical Budgets: Direct 12V Charging vs. Inverter Losses

Power generation in freedom camping vehicles depends on 12V auxiliary leisure batteries (AGM, Gel, or Lithium LiFePO4) replenished solely by rooftop solar panels or alternator-driven DC-to-DC chargers while driving.

• Avoid AC Inverter Parasitic Draw: Turning on a 1000W–2000W pure sine wave inverter to run a standard household phone wall charger converts 12V DC to 240V AC, and then steps it back down to 5V/9V DC. This dual-conversion cycle produces a 15% to 30% electrical loss solely in heat and inverter idle load.
• Deploy Direct USB-C Power Delivery (PD): Wire USB-C PD charge adapters directly into the 12V DC system. Direct DC-to-DC step-down modules maintain 90–95% power efficiency, preserving battery storage for critical house components such as 12V compressor fridges, diesel heaters, and water pumps.

4. Power Efficiency: Embedded eSIM vs. Standalone Pocket Wi-Fi

Hardware selection has a direct impact on your off-grid campervan electrical footprint. Pocket Wi-Fi hotspot units present significant operational overhead compared to software-driven travel eSIMs:

Pocket Wi-Fi routers act as dual-radio transceivers, drawing continuous current to receive cellular transmissions and broadcast a local Wi-Fi bubble. This quickly drains their built-in batteries and requires constant recharging from the campervan's 12V reserves.

In contrast, an embedded eSIM, such as those provided by MollySIM, runs directly on your smartphone’s native baseband processor. This eliminates secondary Wi-Fi broadcasting overhead, reducing battery consumption.

Additionally, because MollySIM provides a reliable 384kbps Fair Use Policy (FUP) baseline throttle—triple the standard 128kbps speed provided by legacy providers—essential applications like Google Maps navigation, CamperMate pin updates, and Apple Pay/Google Wallet authentications remain fully responsive even if your high-speed tier is exhausted mid-route, without forcing continuous tethering reconnections.

Step-by-Step Setup: Installing & Configuring Your NZ Road Trip eSIM Before Landing

Setting up your connectivity before boarding your flight ensures you bypass costly airport telecom kiosks and immediately access turn-by-turn navigation upon landing in Auckland (AKL), Christchurch (CHC), or Queenstown (ZQN). Follow this pre-departure protocol to guarantee seamless dual-SIM operation and avoid unexpected roaming charges from your home carrier.

Step 1: Pre-Departure Installation via Stable Home Wi-Fi (T-Minus 24 Hours)

Never attempt to install an eSIM profile using spotty airport Wi-Fi or transit hubs. Configure the profile 12 to 24 hours before your departure flight from home:

1. Procure Your Plan: Select your New Zealand data bundle on MollySIM.
2. Scan the Provisioning QR Code:

• iOS: Navigate to Settings > Cellular (or Mobile Service) > Add eSIM > Use QR Code.
• Android (Samsung/Pixel): Navigate to Settings > Connections > SIM Manager > Add Mobile Plan / Add eSIM > Scan QR Code.

1. Allow Background Profile Download: Maintain an uninterrupted Wi-Fi connection while the remote SIM provisioning (RSP) server writes the profile to your device’s eUICC chip.

Step 2: Custom Line Labeling & Dual-SIM Routing Configuration

Preventing accidental data usage on your home plan requires assigning clear identifiers to each line.

Step 3: APN Setup & Roaming Policy Toggles

1. Toggle Data Roaming ON for the eSIM: Go to Settings > Cellular > select NZ Campervan Data > turn Data Roaming ON. (Note: This will not incur domestic carrier charges because you are roaming exclusively on MollySIM's pre-paid data routes.)
2. Toggle Data Roaming OFF for Your Home SIM: Select your Home / Personal line and ensure Data Roaming is set to OFF to block international roaming penalties.
3. Verify APN Settings: Most modern smartphones automatically populate the correct Access Point Name (APN). If prompted, enter the APN details provided in your MollySIM confirmation voucher (typically globaldata or automatically assigned via auto-discovery).

Step 4: Touchdown Handshake at AKL, CHC, or ZQN

When your aircraft touches down on the runway:

1. Disable Airplane Mode.
2. Keep your mobile data toggled on under the NZ Campervan Data line.
3. Allow 60 to 90 seconds for your device to complete its initial baseband registration with the strongest local partner mast (One NZ, Spark, or 2degrees).
4. Once connected, open your browser or mapping platform. With MollySIM's built-in 384kbps Fair Use Policy (FUP) baseline, you maintain a continuous data pipeline that keeps Apple Pay, Google Wallet authentications, and live CamperMate updates active even if your high-speed quota is exceeded during remote legs of your itinerary.

Step 5: Troubleshooting Isolated Handshakes & Transit Dead Zones

When navigating remote sections of New Zealand—such as crossing the Cook Strait between Wellington and Picton or traversing alpine passes like Arthur's Pass and the Milford Road (State Highway 94)—network handshakes can stall as your device shifts between distant cell towers.

• The Cook Strait Maritime Handshake: Cellular signal typically drops out roughly 45 minutes after leaving Wellington Harbour and does not restore until your vessel approaches the Marlborough Sounds. If your phone fails to acquire signal upon entering the Sounds, toggle Airplane Mode ON for 15 seconds, then OFF to force an immediate baseband re-scan.
• National Park Dead-Zone Recovery: Deep within Fiordland, Mount Cook National Park, or the West Coast glaciers, your phone may switch down to 3G or drop service entirely. If the device remains stuck on "No Service" after you re-emerge into a covered township (such as Fox Glacier, Franz Josef, or Te Anau), navigate to Settings > Mobile Network > Network Operators, switch from Automatic to Manual, select Spark or One NZ, and then switch back to Automatic. This forces your device to clear its stale location routing table and register with the nearest active tower.