Guides
Clear answers to the questions behind every availability check — sourced, dated, and honest.
Last updated .
Troubleshooting
- My phone suddenly says No Service — what to check, in order The ordered checklist that finds the cause fastest: outage first, then the 30-second resets, SIM/eSIM, account blocks, and software — and exactly what to tell your carrier if nothing works.
- SOS Only / Emergency Calls Only: what it actually means SOS means your phone can reach a network for 911 — just not your carrier’s. What causes it, why 911 still works, and the steps that get normal service back.
- Calls fail but data works (and the reverse): what’s actually broken Bars measure radio; calls and data are services on top of it. A symptom-by-symptom map of which layer failed — VoLTE, provisioning, data settings, or the plan — and the fix for each.
- Wi-Fi calling: when it saves you and how to turn it on The free fix for indoor dead zones: calls and texts over your internet instead of the tower. When it genuinely helps, when it can’t, the E911 address step, and how to enable it on any phone.
- I switched carriers and my signal got worse: band mismatch explained Same phone, new network, weaker signal — usually because carriers hold different low-band spectrum where you live, or your phone lacks a band the new network leans on. How to diagnose it and what actually helps.
- Is my SIM dead? How to tell in five minutes “SIM not provisioned” is a reject code from the network, not a verdict on the chip. How to tell a failed card from a dead line or a SIM swap, fast.
- Is it an outage or just my phone? Three ways to tell Full bars can sit on top of a dead network. Three one-minute tests, plus what carrier pages, crowdsourced counts and FCC outage reporting really measure.
- Why your phone line was suspended — and which cause it is Billing holds, port-outs, SIM swaps, IMEI blocks and line separations all look identical on the phone. Two SIM swaps and one phone call tell them apart.
- No service after a phone update: what actually broke A phone update moves four separately versioned layers, not one. Here is how to tell which layer lost your cell service, and why a factory reset is wrong.
Home internet
- How to check what internet providers are available at your address A step-by-step method that actually works: explore by area, verify at the address, and confirm the details that determine whether you can really order.
- Why internet availability differs between neighboring addresses How two homes on the same street can have completely different internet options — and what drives the difference.
- ZIP code vs. address: why ZIP isn’t enough for availability Why a ZIP code is a poor proxy for what internet you can actually get, and how to check the right way.
- Internet options for renters: what you can get and what to ask the landlord Renters can’t rewire the building — but you have more options (and more rights) than you think. What’s realistically available in a rental, the questions that save you weeks, and the no-drill setups that work.
- Is it my Wi-Fi or my internet? How to tell Your modem or ONT is the boundary: tests inside it blame Wi-Fi and your LAN, tests past it blame the line. An ordered way to prove which side broke.
- Not getting the speed you pay for? How to prove it Your plan speed is a marketing number. The FCC broadband label is the only speed your provider put in writing. How to test wired and document a real shortfall.
- CGNAT: what it breaks and how to tell you’re behind it Behind CGNAT your router never holds a public IP. What that breaks, a two-minute test to confirm it, and the exact words to use with your provider.
Fiber
- Can you get fiber internet at your address? How to find out How to verify fiber availability step by step — provider checkers, the FCC map, wiring questions for your building, and what to do if fiber stops one street away.
- How fiber gets built — and how to get your neighborhood on the map From ROI model to lit service: planning, permits, make-ready, construction, drops, and activation — why fiber takes months to years, and the levers residents actually have.
- Fiber vs. cable internet: the real differences (and when cable is fine) Upload symmetry, latency, congestion behavior, reliability — where fiber genuinely wins, where modern cable keeps up, and how to decide with the options you actually have.
- Fiber is across the street — but not at my house. Why, and what to do The most maddening availability gap explained: build boundaries, drop economics, aerial vs. buried plant, and MDU wiring — plus the concrete steps that sometimes get your side of the street built.
5G home internet
- 5G home internet vs. cable vs. fiber: which should you actually get? A use-case-first comparison: consistency, upload, latency, caps, install friction, and portability — and a decision framework that starts from what’s at your address.
- Will 5G home internet be fast enough for you? The capacity caveats, explained Why the same 5G home internet product delights one address and frustrates the next: sector capacity, deprioritization, signal quality — and a two-week trial protocol that gives you a real answer.
Rural internet
- Rural internet options: a realistic decision ladder (not a hype list) Fiber co-ops, WISPs, 5G home internet, LEO and GEO satellite, legacy DSL — what each is actually like in rural America, and the order in which to try them.
- Satellite internet: LEO vs. GEO, and who should choose it Why orbit height decides everything — latency, dishes, weather behavior, capacity — and an honest read on when satellite is the right call versus the fallback.
- Fixed wireless internet explained: WISPs, 5G home, and the line-of-sight reality Two very different products share the “fixed wireless” label. How each works, what actually determines your speed (spoiler: trees), and the questions that separate a great WISP from a bad bet.
Cell coverage
- How to check cell coverage by carrier before you switch Carrier maps, the FCC map, and real-world tests — how to judge coverage where you actually live and work before committing to a network or MVNO.
- Why carrier coverage maps can be wrong Coverage maps are modeled estimates, not measurements. Here’s why your real-world signal differs and how to test it.
- Indoor cell coverage problems and fixes: from free settings to signal boosters Why your phone works on the porch and dies in the kitchen — the building physics, how to diagnose your dead zones, and the fix ladder from Wi-Fi calling (free) to boosters (real money).
- Do cell signal boosters work? The rules and the physics A booster amplifies what already reaches your roof. The FCC band list, the legal gain ceilings, the registration rule, and when Wi-Fi calling wins instead.
Data accuracy
- How accurate is the FCC National Broadband Map? The FCC map is a twice-yearly snapshot, not a live database. How old today’s data really is, the two ways it gets an address wrong, and what a challenge does.
- Why “available” doesn’t always mean you can order it today Why a provider can show as “available” at your address and still not be orderable — drops, wiring, capacity, and waitlists explained.
Remote work
- What internet speed do you need to work from home? A practical guide to the download, upload, and latency you actually need for remote work — and why upload and latency matter more than headline speed.
- Latency, jitter and packet loss: what Mbps hides Your speed test looks fine and your calls still break. What latency, jitter and packet loss each do, which thresholds are real, and how to measure them.