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official rom of y336 u02 using UpgradeDownload


official rom of  y336 u02 using UpgradeDownload

the users of this phone faced a lot of problems like hanging up in a logo screen , stuck  at the opening
logo , to put an end to that problem try hard reset your phone and this doen't worked for all users .
now let's try installing the official ROM of the device  ;
first one :-
there are two ways to  install the official Rom by using the sd card , and this way is easy to be done 
 second one :-
using a program called upgrade download in the files 
 i have made a video about that way .

for the steps please watch that video 

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