\nPhone Compatibility<\/strong><\/td>\n| iPhone XS or newer, Samsung Galaxy S20 or newer, Google Pixel 3 or newer. Check: Settings > Cellular > “Add Cellular Plan” option exists.<\/td>\n<\/tr>\n | \nCarrier Unlocked<\/strong><\/td>\n| iPhone: Settings > General > About > Carrier Lock = “No SIM restrictions”. Android: Settings > About > Status > SIM Lock = “Unlocked”.<\/td>\n<\/tr>\n | \nCoverage Area<\/strong><\/td>\n| Verify your eSIM provider covers your current location. Some plans exclude certain countries or regions.<\/td>\n<\/tr>\n | \nPlan Validity<\/strong><\/td>\n| Check expiration date in your provider’s app or email. Some plans expire by calendar days, not 24-hour periods.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n If all four checks pass, proceed to your specific problem below.<\/p>\n <\/span><\/span>Problem 1: “No Service” After Enabling eSIM<\/span><\/span><\/h2>\nThis is the most common eSIM issue. Your eSIM is installed and enabled, but your phone shows “No Service” or “Searching.”<\/p>\n <\/span><\/span>Solution 1: Enable Data Roaming (Fixes 60% of cases)<\/span><\/span><\/h3>\nThis is the #1 cause of “No Service” errors. eSIM profiles require Data Roaming to be enabled, even though you’re using them in their designated countries.<\/p>\n \n\n\n| iPhone Instructions<\/th>\n | Android Instructions<\/th>\n<\/tr>\n | \n1. Settings > Cellular
\n2. Tap your eSIM line
\n3. Toggle Data Roaming<\/strong> to ON<\/td>\n1. Settings > Network & Internet > SIMs
\n2. Tap your eSIM
\n3. Toggle Roaming<\/strong> to ON<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\nWhy this works:<\/strong> eSIM profiles technically operate as “roaming” services even in their designated countries.<\/p>\n<\/span><\/span>Solution 2: Toggle Airplane Mode (Fixes 20% of cases)<\/span><\/span><\/h3>\nForces your phone to search for networks again.<\/p>\n \n- Enable Airplane Mode.<\/li>\n
- Wait 10 seconds.<\/li>\n
- Disable Airplane Mode and wait 30-60 seconds.<\/li>\n<\/ol>\n
<\/span><\/span>Solution 3: Restart Your Device (Fixes 15% of cases)<\/span><\/span><\/h3>\nClears temporary software glitches and reloads the eSIM profile.<\/p>\n <\/span><\/span>Solution 4: Manually Select Network (Fixes 4% of cases)<\/span><\/span><\/h3>\n\n\n\n| Device<\/th>\n | Steps<\/th>\n<\/tr>\n | \niPhone<\/strong><\/td>\n| Settings > Cellular > [Your eSIM] > Network Selection > Turn OFF “Automatic” > Select a network manually.<\/td>\n<\/tr>\n | \nAndroid<\/strong><\/td>\nSettings > Network & Internet > SIMs > [Your eSIM] > Network Operators > Turn OFF “Select Automatically” > Select a network manually.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/span><\/span>Problem 2: eSIM Won’t Install \/ “Cellular Plan Cannot Be Added”<\/span><\/span><\/h2>\n<\/span><\/span>Solution 1: Verify Phone is Unlocked<\/span><\/span><\/h3>\nLocked phones reject eSIM profiles from third-party providers. Check Settings > General > About > Carrier Lock<\/strong>.<\/p>\n<\/span><\/span>Solution 2: Check Internet Connection<\/span><\/span><\/h3>\neSIM installation requires downloading a profile. Ensure you have stable WiFi or mobile data.<\/p>\n <\/span><\/span>Solution 3: Manual Entry<\/span><\/span><\/h3>\nIf QR code scanning fails, tap “Enter Details Manually” and enter the SM-DP+ Address<\/strong> and Activation Code<\/strong> from your email.<\/p>\n<\/span><\/span>Solution 4: Remove Old eSIM Profiles<\/span><\/span><\/h3>\nPhones typically store 5-10 profiles. Delete old, unused plans to make space.<\/p>\n <\/span><\/span>Problem 3: Slow Speeds or Intermittent Connection<\/span><\/span><\/h2>\n\n\n\n| Issue<\/th>\n | Fix<\/th>\n<\/tr>\n<\/thead>\n | \n\nPhysical Barriers<\/strong><\/td>\n| Move to a window or go outside if in a basement or dense building.<\/td>\n<\/tr>\n | \nWeak Network<\/strong><\/td>\n| Manually select a different carrier in your settings.<\/td>\n<\/tr>\n | \nData Depleted<\/strong><\/td>\n| Check balance in provider app and top up if necessary.<\/td>\n<\/tr>\n | \nVPN Issues<\/strong><\/td>\nDisable VPN temporarily to test speeds.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/span><\/span>Problem 4: eSIM Works But Can’t Make\/Receive Calls<\/span><\/span><\/h2>\nThis is Usually Normal.<\/strong> Most eSIM data plans don’t include a local phone number.<\/p>\n\n\n\n| Option<\/th>\n | How it Works<\/th>\n<\/tr>\n | \nInternet Calling<\/strong><\/td>\n| Use WhatsApp, FaceTime, or Skype over your data connection.<\/td>\n<\/tr>\n | \nDual-SIM Mode<\/strong><\/td>\nKeep physical SIM for calls (home number) and eSIM for data.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n![\"\"](\"https:\/\/www.redex.vip\/wp-content\/uploads\/2026\/02\/image_2_9_85cfd904f7.webp\") <\/h2>\n<\/span><\/span>Problem 5-8: Technical Errors & Data Management<\/span><\/span><\/h2>\n<\/span><\/span>Problem 5: eSIM Disappeared<\/span><\/span><\/h3>\nCheck if accidentally deleted. If so, contact your provider for a new QR code or attempt reinstallation.<\/p>\n <\/span><\/span>Problem 6: “Invalid Activation Code”<\/span><\/span><\/h3>\nAlways Copy-Paste.<\/strong> Do not type manually. Check for extra spaces at the beginning or end of the code.<\/p>\n<\/span><\/span>Problem 7: Cross-Border Issues<\/span><\/span><\/h3>\nVerify coverage for the new country. Wait 2-5 minutes for registration and toggle Airplane Mode.<\/p>\n <\/span><\/span>Problem 8: Fast Data Depletion<\/span><\/span><\/h3>\n\n\n\n| Action<\/th>\n | Potential Savings<\/th>\n<\/tr>\n | \n| Disable Background App Refresh<\/td>\n | 200-500MB daily<\/td>\n<\/tr>\n | \n| Turn off Auto-Updates<\/td>\n | 100-500MB per update<\/td>\n<\/tr>\n | \n| Enable Low Data Mode<\/td>\n | Significant overall reduction<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/span><\/span>When to Contact Support<\/span><\/span><\/h2>\nHave your order number, phone model, location, and screenshots of error messages ready. RedEx eSIM Support<\/strong> is available 24\/7 via app, WhatsApp, or email.<\/p>\n<\/span><\/span>Prevention Tips<\/span><\/span><\/h2>\n\n\n\nInstall Before Departure<\/strong><\/td>\n| Eliminates dependence on airport WiFi.<\/td>\n<\/tr>\n | \nTest Briefly<\/strong><\/td>\n| Enable for 30 seconds at home to confirm signal.<\/td>\n<\/tr>\n | \nOffline Maps<\/strong><\/td>\nDownload Google Maps for your destination in advance.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/span><\/span>Quick Reference Summary<\/span><\/span><\/h2>\n | | | | |
| | | | | | | | | | | | | | | | | |