Read before you fly

Step by step guide to activate an eSIM on iPhone using a QR code. Learn how to scan, label, and switch on your travel eSIM, plus fixes if it does not connect.

Planning a trip or move to the UK? Learn how to choose a UK eSIM: data needs, networks, validity, hotspot and setup before you fly.

Choosing a USA eSIM for your trip? Check data needs, networks, validity, hotspot and setup before you fly, with Slashtel plans from 1GB to 50GB.

A data eSIM gives you internet, not a phone number. Here is exactly what runs on your eSIM data, what still needs your home SIM, and how to keep receiving bank OTPs abroad.

Learn what a data-only SIM card is, how it differs from a data-only eSIM, and when to use one for travel, tablets and laptops.

Planning a trip to Albania? Learn how to choose an eSIM for Albania, from data needs and networks to setup and top-ups. Get connected with ease.

Planning a trip to Bali? Learn how to choose an eSIM for Bali: coverage, data amounts, validity, hotspot rules and installing it before you fly.

Planning a trip to Canada? Learn how to choose an eSIM for Canada: networks, data, validity, hotspot and setup. Slashtel eSIMs cover Rogers, Bell, Telus and more.

Planning a trip to Colombia? Learn how to choose an eSIM for Colombia, from data sizes and networks to setup, top-ups and staying connected.

Planning a trip to Dubai or the UAE? Learn how to choose an eSIM for tourists, from data sizes and networks to setup and top-ups. Stay connected easily.

Planning a trip? This guide explains how to choose an eSIM for Egypt, covering networks, data sizes, validity, hotspot and setup before you fly.

How to choose an eSIM for Europe: single-country or regional plans, networks, data, validity, hotspot and setup before you fly.

Find out which iPad models support eSIM, how to check yours, and how to set up a travel eSIM for data on your iPad.

Planning a trip to Israel? Learn how to choose an eSIM for Israel: data sizes, networks, validity, hotspot rules and installing before you fly.

What is the best eSIM for Japan? Read our neutral guide on networks, data sizes, validity, topping up and installing a Japan eSIM before you travel.

Planning a trip? Learn how to choose an eSIM for Mexico: coverage on Movistar, Telcel and AT&T, data sizes, validity, hotspot and setup before you fly.

Best eSIM for Morocco? A neutral buying guide to coverage on Orange Morocco, data sizes for one week to one month, validity, hotspot and setup before you fly.

Planning a trip? Learn how to choose an eSIM for New Zealand: networks, data sizes, validity, hotspot rules and setup before you fly.

Planning a trip? Learn how to choose an eSIM for South Africa: data sizes, networks, validity, hotspot rules and installing before you fly.

Planning a trip to Switzerland? Learn how to choose an eSIM: data sizes, networks, validity, hotspot rules and installing before you fly.

Looking for the best eSIM for Thailand? Learn what to check: data sizes, validity, Thai networks, hotspot rules and how to install before you fly.

Planning a trip to Turkey? Learn how to choose an eSIM for Turkey: data needs, networks, validity, hotspot rules and installing before you fly.

Buying guide to eSIM Vietnam: check phone compatibility, networks, data sizes, validity, hotspot and how to install before you fly.

Compare eSIM vs physical SIM: how they differ, changing phones, travelling, and which suits you. Learn the pros and cons of each.

Compare UK data costs: Indian roaming rates, airport SIMs, and travel eSIMs. See real prices and pick the cheapest option for your trip.

Pick the right Europe eSIM for your reading week trip. Coverage across 30+ countries, data tips for 10 days, and switching between UK and EU networks.

Find your eSIM number fast: locate the EID, ICCID and phone number on iPhone and Android, and see why a travel data eSIM has no phone number.

An eSIM is a SIM chip built into your phone. Learn how a plan is downloaded as a profile, how it works alongside a physical SIM, and which phones support eSIM.

Learn how to tell if your iPhone is unlocked in seconds using Settings. Understand carrier locks, Activation Lock, and what it means for travel eSIMs.

Install your Slashtel eSIM QR code on iPhone (iOS 17/18) or Android (Samsung, Pixel). Fix QR errors, roaming issues, and get online fast.

Learn how to turn international roaming on or off on iPhone. Step by step: open Settings, Mobile Service or Cellular, pick your line, toggle Data Roaming.

Check if your phone supports eSIM in 30 seconds. Full list for iPhone, Samsung, Pixel, OnePlus and more. India-market exceptions covered.

Jio, Airtel and Vi switch a number off about 90 days after its last recharge. See the cheapest validity plan for each today and recharge by card from abroad.

PDP authentication failure on Android stops mobile data. Learn what it means, common causes, and step by step fixes to restore your connection.

Recharge an Indian number from abroad with a foreign card. Why cards fail on Indian sites, and how to top up Jio, Airtel, Vi or BSNL for yourself or family.

Learn how to change SIM cards and eSIMs on iPhone. Switch lines, set mobile data, choose default calls and texts, and set up a travel eSIM with your home SIM.

Learn how to transfer an eSIM to a new iPhone or Android phone. Step-by-step guide for eSIM Quick Transfer, Android options, and travel eSIMs.

Compare roaming, a US SIM and a travel eSIM for your USA trip from the UK. Learn what to check, how much data you need and how to install an eSIM before you fly.

Learn what an EID number is and how to find it on iPhone and Android. Understand the difference between EID, IMEI and ICCID, and when you might need your EID.

Diwali 2026 is on Sunday 8 November. See the five days, why the date moves each year, dates for 2027 and 2028, and how to recharge an Indian number for family.