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4 How to test if the Tristar has failed or the battery
just thought i would share with you a simple way to test if your charging fault is (board related) or (battery related) this test is simple and accurate.
start the phone and open up a app or menu to activate the wake up
now unplug the battery.
if the phone stays on then the tristar high speed switch is good as its switched to main voltage through the charger. the fault will then be in the battery.
if it powers off then the fault is in the tristar.
for fake charging the tigris ic will be the cause.
happy repairing
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