Chosen Solution

Hi I got an IP6Plus came in to me for fixing bootlooping issue. Try connect itunes, but the phone could not recognised itunesCheck charging voltage and current (normal)Reball tigris chipIts finally recognised itunes !run restoring on itunesbut while “restoring iphone” the device stuck at apple logo (not bootlooping)

(This is the image of the device while restoring itunes)

Have you tried replacing Tristar? That can also be causing issues with restoring / connection during restore.