change S7 edge CSC problem LTE 4G

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lawyerain

New member
May 22, 2017
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Hello
i have samsung s7 edge SM-G935FD before flash code product: SM-G935FZDUWTL CSC name: WTL country of CSC: Algeria.
I had a problem before my tel that blocked I flashed the phone with odin and all has to change product code: SM-G935FZKUXSG name Of the CSC: XSG and the CSC country: UAE / EA.
Now i have a 4G problem that does not work as well as sending messages so i want to restor it to the original rom SM-G935FZDUWTL CSC :WTL Algeria. any solution please.
Thanks