Remove the battery connector first. Look at the side of the board where the power flex cable attaches. Approximately 5mm southwest of the main power management IC, there is a single exposed copper via. That is your test point. The ground point can be any shielding can or the USB connector housing.

To work with the STK-LX1 test point, technicians typically require:

If your goal is FRP bypass (Google account removal), the test point allows you to boot to or Test Mode without enabling the lock.

Opening your phone and bridging internal points will void your warranty .

– Such information is sometimes sought for unauthorized access to locked devices.