02-06-2020, 06:46 AM
Hello,
My problem is similar to thread https://forum.pine64.org/showthread.php?tid=8993 but I create this thread to add details specific to my case:
I was able to power up the phone when it arrived and I tested Ubuntu touch and postmarketOS which both are looking promising.
The battery indicator was showing around 20% I think.
I used a raspberry pi to connect to the UART using the headphone jack and I was able to communicate with postmarketOS.
While doing this the phone was plugged in (2A charger) to let it charge but it did not seem to charge (I do not remember seeing a red light or a charging indicators in the OSes). I though maybe this as a OS bug and maybe it was actually charging.
Then I switched the phone off by typing "sudo poweroff" in the serial terminal, and let off to charge for a while (still no red light though).
A few hours later the phone does not power up and does not seem to charge (led not turning on).
I also tried to power up without the battery but that does not work either. I know a 3A charger is advised but someone in the chat said 1A is sufficient to boot without the battery, so my 2A charger should work ?
I will not be able to get a multimeter until a few days, but then I will look at the battery voltage and the power drawn from the usb cable. In the meantime any idea is welcome
Could it be a PMIC problem similar to what can happen on the pinebook when the battery is totally drained ? (https://forum.pine64.org/showthread.php?tid=4632)
My problem is similar to thread https://forum.pine64.org/showthread.php?tid=8993 but I create this thread to add details specific to my case:
I was able to power up the phone when it arrived and I tested Ubuntu touch and postmarketOS which both are looking promising.
The battery indicator was showing around 20% I think.
I used a raspberry pi to connect to the UART using the headphone jack and I was able to communicate with postmarketOS.
While doing this the phone was plugged in (2A charger) to let it charge but it did not seem to charge (I do not remember seeing a red light or a charging indicators in the OSes). I though maybe this as a OS bug and maybe it was actually charging.
Then I switched the phone off by typing "sudo poweroff" in the serial terminal, and let off to charge for a while (still no red light though).
A few hours later the phone does not power up and does not seem to charge (led not turning on).
I also tried to power up without the battery but that does not work either. I know a 3A charger is advised but someone in the chat said 1A is sufficient to boot without the battery, so my 2A charger should work ?
I will not be able to get a multimeter until a few days, but then I will look at the battery voltage and the power drawn from the usb cable. In the meantime any idea is welcome
Could it be a PMIC problem similar to what can happen on the pinebook when the battery is totally drained ? (https://forum.pine64.org/showthread.php?tid=4632)