Update is invalid

[Aryangupta_22]

Plus help me it is saying update is invalid plus re download it I have done factory reset and also clear the cache but still not resolving help me

[navisingh]

which device ??????

[SaMF41]

c this name bottom it's user of M series mobile

[navisingh]

i know it but can you tell which device it is ?????? i asked which device i didnt asked which series......dont try to be oversmart if you are not enough smart

[SaMF41]

throw it on Samsung HO!!