If all of this doesn’t help you can try to look for broken solder balls under the SoC, but if you seen one that looks broken , you can probably don’t fix it yourself, because you need a hot air rework station and some advanced soldering skills
If all of this doesn’t help you can try to look for broken solder balls under the SoC, but if you seen one that looks broken , you can probably don’t fix it yourself, because you need a hot air rework station and some advanced soldering skills