Only boots from charger
Hi all, working on iPhone 6 presently. It'll boot up fine when mains charger plugged in and will charge the battery fine, but won't boot from battery or when plugged into a PC, it just continually boot-loops. When I connect it to the PC's USB port it tries to come on by itself but can't get to a full boot and loops. Not sure what's happening here but thinking I should replace Tristar? Once it's booted and I remove the charger lead it'll still function ok on battery, it just won't boot from it. It seems like Tigris is providing either the USB or battery voltage correctly to VCC_MAIN ok but it's weird that it'll operate from battery but won't boot from it? I'm a little reluctant to start pulling Tristar (or Tigris) if I don't need to as the phone seems to be fine in all other respects; I'd really appreciate any insights or suggestions anyone has. Thanks!!
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Have you tried the simplest option of a new battery???
door c9679