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samsung s4 i337 imei/network issue - Printable Version

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samsung s4 i337 imei/network issue - Mwansa Reuben - 05-01-2019

hello , hovatek team i have a samsung s4 i337 at&t , it  had lost its imei managed to repair it but it seems its not fully repaired at times it will show null imei at times it will show the actual  imei. and it also keeps losing network bringing  a circle wirh a slash inside on network. have tried repairing with z3x tool stiill does the same thing, what can i do to fully repair it. wil greatly appreciate.


RE: samsung s4 i337 imei/network issue - xerxes - 06-01-2019

(05-01-2019, 06:04 PM)Mwansa Reuben Wrote:  hello , hovatek team i have a samsung s4 i337 at&t , it  had lost its imei managed to repair it but it seems its not fully repaired at times it will show null imei at times it will show the actual  imei. and it also keeps losing network bringing  a circle wirh a slash inside on network. have tried repairing with z3x tool stiill does the same thing, what can i do to fully repair it. wil greatly appreciate.

Have you tried factory resetting the phone or flashing the official firmware??


Sent from my M5 mini using Hovatek Mobile


RE: samsung s4 i337 imei/network issue - Mwansa Reuben - 06-01-2019

yes i did that actually downgradi g to stock firmware nb1 same theing. factory reseting have done several times


RE: samsung s4 i337 imei/network issue - freshtyt - 07-01-2019

(06-01-2019, 07:43 PM)Mwansa Reuben Wrote:  yes i did that actually downgradi g to stock firmware nb1 same theing. factory reseting have done several times

flash stock rom > write original imei using z3x > perform factory reset 
is that what you did?
have you tried reading efs backup from a working phone and writing the backup onto yours?


RE: samsung s4 i337 imei/network issue - Mwansa Reuben - 08-01-2019

will try that and let you know the outcome @freshttyt


RE: samsung s4 i337 imei/network issue - EMMANUS - 09-01-2019

It would also help to know how the problem started.


RE: samsung s4 i337 imei/network issue - Mwansa Reuben - 09-01-2019

(09-01-2019, 07:50 AM)EMMANUS Wrote:  It would also help to know how the problem
think problem started after unlocking  i used z3x box  after unlocking  though it was fine even after unlocking i put it away for some days then when i turned it on it started . though had 3 of the same phone unlocked  and still fine only this one misbehaving.i will try what frshtyt suggested and give an update. when i ger hold of same workig phone.



RE: samsung s4 i337 imei/network issue - Mwansa Reuben - 14-01-2019

update: tried the doing it the way freshtyt told me and its day 2 so far so good . havent had network loss or null imei showing , still observing it.