Troubleshooting

Bars but no data, the carrier that never shows up, the QR that won't scan, the APN you have to type by hand. Start with airplane mode — it is the cheapest thing to try.

16 articles

• eSIM not working 2026 — fix connection in 10 minutes
  eSIM not working: 8 steps to fix connection (roaming, APN, network selection). Solve in 10 min for Mexico, Spain, Japan, Turkey — coverage, pricing
  13 min read
• eSIM Not Detecting Carrier 2026 — Troubleshooting Guide
  eSIM not detecting carrier: restart device, activate line in Settings, select network manually. Resolves 94% of cases in 3 minutes — coverage, real prices and
  12 min read
• eSIM hotspot 2026 — tethering limits and FUP explained
  eSIM hotspot 2026: activate on iPhone and Android in 30 seconds. FUP limits, real data consumption, device caps, iOS vs Android — coverage and pricing
  11 min read
• WhatsApp Original Number with eSIM 2026 — Keep Your Line While
  Keep your WhatsApp number while traveling with eSIM: physical SIM for calls/SMS, eSIM for local data. Setup in 30 seconds, no roaming, from $5
  12 min read
• iMessage with International eSIM 2026 — data without roaming
  iMessage works perfectly with travel eSIM. Dual SIM setup, troubleshooting, coverage Mexico/Spain/Japan, no throttling — coverage, real prices and practical
  13 min read
• EID eSIM 2026 — where to find it on iPhone and Android
  EID eSIM 2026: what it is, why you need it, and how to find it on iPhone, Android, Samsung. Step-by-step with screenshots, iOS 18 and Android 15 settings
  11 min read
• Activate eSIM Before Traveling 2026 — Works Without WiFi at
  Activate your eSIM at home before your flight so it works when you land, without depending on airport WiFi. Step-by-step guide for iPhone and Android
  13 min read
• Invoice for Freelancers 2026 — data, VAT, and legal requirements
  Invoice for freelancers 2026: what must it include to deduct mobile phone expenses. Issuer data, itemized VAT, 4-year retention — coverage — cobertura
  10 min read
• eSIM on a Cruise Ship 2026 — Coverage & Connectivity Guide
  Your eSIM works in port and up to 20 km from coast, loses signal at sea. Hybrid strategy: terrestrial data + ship Wi-Fi based on your route — cobertura
  10 min read
• How to Install an eSIM on Android (Samsung, Pixel, Xiaomi) — 2026
  Install eSIM on Android 2026: scan the QR in Settings > SIM Cards, enable roaming, and done. Samsung Galaxy, Pixel, Xiaomi in 2 minutes — cobertura, precios
  12 min read
• 100 GB FUP Meaning: Why Your eSIM Slows After the Cap
  A 100 GB FUP means the carrier throttles your speed once you pass 100 GB — the data is still there, the speed is not. How to spot FUP before you buy in 2026.
  12 min read
• SM-DP+ Explained in 2026 — What It Is and Why Your eSIM Needs It
  SM-DP+ in 2026: the server that activates your eSIM in 30 seconds. How the download flow works, differences from LPA, and why choosing a reliable provider
  11 min read
• How to Deduct Your Phone in Simplified Direct Estimation — 2026 Guide
  Deduct your phone as a self-employed worker under simplified direct estimation in 2026: requirements, professional ratio, VAT, depreciation, and penalties
  11 min read
• Verifactu Freelancers 2026: Requirements, Penalties & Software
  Verifactu 2026 for Spanish freelancers: required software, who must comply, penalties for non-compliance, and how to stay compliant while traveling Europe
  12 min read
• Verifactu July 2026: what changes for freelancers (dates and penalties)
  Verifactu July 2026: mandatory entry July 1, penalties from October, eSIM compatibility for traveling freelancers in Spain — coverage — cobertura, precios
  14 min read
• E-invoice for self-employed 2026: Verifactu, 303 and QR
  E-invoice requirements for Spanish self-employed 2026: generate Verifactu QR codes, file Model 303 on time, and avoid fines up to €10,000 — cobertura, precios
  11 min read