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"no service" on iphone 5s

mrsteen40 — Sun, 17 Oct 2021 11:57:32 GMT

My BT Sim worked fine when i entered it in a iphone 5s then suddenly the message "no service" appeared and in setting Carrier is unavailabler and Network is unavailable...no information is shown under the Mobile data setting and ive tried synching the phone with itunes on my pc and the software is up to date...somebody said i may need the BT settings for iphone but at the moment i have a nessage "you may not make/recieve calls or use mobile data until a update is installed....i was onto Apple support who said it is a carrier update needed....my sim works fine in my old Samsung android mobile....im very frustrated polease help

Re: "no service" on iphone 5s

stevebrass — Sun, 17 Oct 2021 12:13:31 GMT

Have you tried removing the sim - giving it a GENTLE wipe - and replacing it?

Re: "no service" on iphone 5s

mrsteen40 — Sun, 17 Oct 2021 13:33:08 GMT

Tried that no joy and it works fine in my old Samsung mobile

Re: "no service" on iphone 5s

imjolly — Sun, 17 Oct 2021 13:36:42 GMT

have you tried setting up BT APN

https://apn-settings.com/uk/bt-mobile-apn-settings/

Re: "no service" on iphone 5s

stevebrass — Sun, 17 Oct 2021 14:10:11 GMT

https://support.apple.com/en-gb/HT201270

Re: "no service" on iphone 5s

mrsteen40 — Sun, 17 Oct 2021 23:36:26 GMT

When I click on Settings ...mobile data I just get a blank screen and network and carrier are both unavailable.I did a factory reset and wondered if I then needed the BT settings sent to my iPhone but I cannot make or receive calls and
assume the same goes for messages?