Hey everyone,
Well it's all started when i bought a HTC one m8 sprint , i didnt check if the sim was unlocked,
the phone was on kit kat , so I wanted to upgrade it to marshmellow ,i did some research and this guide worked for me perfectly :
http://ift.tt/2bQDBkm
but after upgrading i had an issue with sim it doesnt work **note: i am not us citizen**
and the phone actually before upgrading was SUPERCID 1111111 and after the upgrade remain supercid but suddenly the sim dont work it says when i am in 4g "invalid sim card ; service 4g not available ...." and when i switch to gsm it says "incorrect card; please contact client service".
i tried to use methods but nothing worked for me.
please if there's any solution , guide, hope, save me ?
and thanks in advance
Well it's all started when i bought a HTC one m8 sprint , i didnt check if the sim was unlocked,
the phone was on kit kat , so I wanted to upgrade it to marshmellow ,i did some research and this guide worked for me perfectly :
http://ift.tt/2bQDBkm
but after upgrading i had an issue with sim it doesnt work **note: i am not us citizen**
and the phone actually before upgrading was SUPERCID 1111111 and after the upgrade remain supercid but suddenly the sim dont work it says when i am in 4g "invalid sim card ; service 4g not available ...." and when i switch to gsm it says "incorrect card; please contact client service".
i tried to use methods but nothing worked for me.
please if there's any solution , guide, hope, save me ?
and thanks in advance
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