Bigconnect coporation
2F,2-12-13 Shinjuku Antel Salon
Bld., Shinjuku, Shinjuku-Ku,
Tokyo To, 160-0022,Japan
Common reasons include:
(1)Your device does not support eSIM or has outdated software
(2)SIM lock is still active on your phone
(3)Data roaming is turned off
(4)Incorrect APN (Access Point Name) settings
(5)Airplane mode is still on
(6)Wrong carrier selection
Even with AlmondSIM, you may see "No Service" or fail to connect due to these issues.
(1)Confirm your device supports eSIM (iPhone XS or later, Google Pixel, Samsung Galaxy, etc.).
(2)Make sure your phone is SIM-unlocked.
(3)Update your device to the latest iOS or Android version.
(4)Turn on Data Roaming.
(5)Disable Airplane Mode.
(6)Restart your phone.
(7)Manually select a local carrier.
(8)Check and re-enter APN settings.
(9)Switch between 4G and 5G.
(10)Contact AlmondSIM’s 24/7 customer support with your order number, device model, and screenshots.
▶ whatapp:w18895117
▶ e-mail:support@almondsim.com
▶ LINE:@014hhnww
⚫ iPhone: Settings → Mobile Data → Add eSIM → Scan QR Code → Enable Data Roaming.
⚫ Android: Settings → Network & Internet → Mobile Network → Add eSIM → Verify APN.
(1)Set up and activate before departure
(2)Double-check your travel country and plan coverage
(3)Keep screenshots ready for support
(4)Choose larger data plans if you use video streaming or maps often
Q: Can I use tethering/hotspot?
A: Yes, most AlmondSIM plans support tethering.
Q: What if I see “eSIM cannot be activated”?
A: Make sure you’re connected to Wi-Fi, then rescan the QR code or enter the activation code manually.
Q: What if I land abroad and still see “No Service”?
A: Ensure Airplane Mode is off and try selecting a local carrier manually.
Most connection problems with AlmondSIM eSIM are caused by basic setup issues. Following the step-by-step troubleshooting guide usually solves them quickly. Preparing in advance ensures you can stay connected smoothly during your international trip.