[Q] Galaxy S5 (SM-G900F) factory mode ON!!!!!! topic

HI all

I have Samsung galaxy S5 . a couple days ago i had unexpected shutdown and could not switch on. so i had to re install new firmware. so i download latest firmware and installed. it was fine. but when i start phone its says factory mode is on and some of applications get stuck. i did factory reset didn't work. i did everything i can but not working. same thing factory mode is on. i did root the phone try custom ROM also. but same thing.

i did try formatting from Recovery mode but its says E: cant mount invalid argument.

Any one can help ?

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