GSM-Forum - View Single Post

vikboston · 11-10-2017, 13:23

Hi,
Please, measure real voltages of your ISP Adapter.
Some adapters have mistake in voltage text (1.8 and 3.3 are swapped).
If you solder VCC 3.3V to VCCQ 1.8 , some Qualcomm CPU can be damaged.
In this case phone doesn't start up.
Best Regards

11-10-2017, 13:23	#4 (permalink)
vikboston Product Supporter Join Date: May 2011 Posts: 286 Member: 1569669 Status: Offline Thanks Meter: 257	Hi, Please, measure real voltages of your ISP Adapter. Some adapters have mistake in voltage text (1.8 and 3.3 are swapped). If you solder VCC 3.3V to VCCQ 1.8 , some Qualcomm CPU can be damaged. In this case phone doesn't start up. Best Regards