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Big problem. Galaxy A7 2017

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Sammy323

New member
Sep 26, 2021
2
0
Hello a few months ago i purhased a galaxy a7 2017 ds from ebay. The phone was android 7. Everything was ok until i upgraded to android 8 with odin. Then the network locked and i cannot make or receive calls. When i try i get a message of unregistered network. I tried to reinstall the rom with odin but same results. Both of the imei are shown and are clean. What can i do? The rom version is A720FXXS9CTJ2 brazil
 

Sammy323

New member
Sep 26, 2021
2
0
Forgot to add that my carrier operator stuck to greek cosmote. My new sim is vodafone. When i insert the sim. I get the welcome to vodafone message. My contacts are there but not network registered. Sim info shows the operator as cosmote and not as vodafone