Currently have Galaxy J3 bought from Currys 5 years ago that says it uses 2G. Upgraded to Galaxy A10 (updated). Transferred sim card, and phone internet is fine but calls/texts are not functioning away from wi-fi.
Currently using a 2G phone with iD - problems upgrading to 4G
+25
Is this issue with the J3 or the A10?
Have you tried a network settings reset?
Settings > General management > Reset > Reset mobile network settings
Resetting network settings will NOT reset any personal data (Photos, Videos, Contacts etc) only network settings.
Tom
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