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Invalid sim

#1

Infinix zero 4 plus after update to nougat says invalid sim and reduced RAM to 3gb instead of 4gb

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#2
(05-27-2017, 07:33 AM)oscarmulama Wrote: Infinix zero 4 plus after update to nougat says invalid sim and reduced RAM to 3gb instead of 4gb

Sent from my Infinix Zero 4 Plus using the Hovatek Forum App

Go to Settings>About>Baseband and check whether it's valid. Also for RAM try Factory Reset.
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#3
It's valid (baseband) I factory reset but nothing has changed

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#4
(05-27-2017, 10:27 AM)oscarmulama Wrote: It's valid (baseband) I factory reset but nothing has changed

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dial *#06# to verify if the device has a valid IMEI
BTW how exactly did you upgrade the phone?
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#5
(05-27-2017, 10:27 AM)oscarmulama Wrote: It's valid (baseband) I factory reset but nothing has changed

Sent from my Infinix Zero 4 Plus using the Hovatek Forum App

Refer to https://forum.hovatek.com/thread-116.html if you have a valid baseband.

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#6
I experienced the same problem, luckily I had created a backup earlier. I rolled back to Mashmellow and restore nvram and everything was back to normal. The ram bug was fixed on beta 2 Nougat. Next time we u want to upgrade, it's recommended to use Tcard_update instead of Sp version.

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