Some of My Photos In gallery are Being Damaged and Cropped Randomly

[MrTheBesT]

So FirsT I Will apologize For My Writing And Language Mistakes Because My English Is NoT Well But I Hope That I Can Explain My Problem In BesT Way...

So 2 Month Ago I Bought an Xperia Z5 Dual and From The FirsT Day Im Having This Problem That my Photos in Gallery (PiCs Taken By This Dvice Saved In Internal Storage) Are Randomly (By Chance) Losing Some Part Like When You Cut off Some Parts of PiCs !!! Dvice automatically Cuts Them While i open them (Showing Them) and then The parts never comes back.

Screen Shots of The PiCs That have Lose Some parts :

Info :

I have Done The FacTory reset Two Times Not Solved.

I have Tried External Memory not Solved

So Any One Can Help My To Solve This.

Thanks AloT For This Help Full comunnity.

[Uliwooly]

@MrTheBesT

What you should do is backup everything > repair the phone with PCC > take pictures and check if you experience the same issue with the new pictures?