if yes and yes, you may have to temporarily replace the display just to know whether it is the display or something else.
Just verifying that the part number of the replacement display is GH82-28025A (or B, or C, or D)?
Just what I'd try.
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=== Update (03/10/24) ===
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@unscrewguru67
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Here's a link to the [https://www.mediafire.com/file/2ryi5p3ggaks34q/Samsung_Galaxy_A53+5G_Schematic-MobileRdx.com.rar/file|service manual] that may help if it isn't the display but something else.
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It's a .rar type file so once downloaded, you will need to use something like 7-Zip to compile it so that you can read it
Hi @unscrewguru67,
Does it do this in safe mode?
Does it do this with the charger connected?
if yes and yes, you may have to temporarily replace the display just to know whether it is the display or something else.
Just what I'd try.