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+--- Thread: Main board issues (/showthread.php?tid=12492)
Main board issues - Athansor - 12-13-2020
I have the UBPorts CE Pinephone, onto which I had flashed Mobian, and had been running Mobian successfully for several weeks. I subsequently replaced the original main board with one of the new 3GB boards, which unfortunately, was DOA. No response. Phone wouldn't even power up.
So I put the original board back in. Now I have a problem. The phone boots up fine, I enter the password and then passcode, and the launch screen appears for about 2-3 seconds and fades to black. The phone doesn't go off, but there is nothing I can do to get that screen to stay on. I can click the power button, get the phone to go into standby, and repeat the login process with passcode, with the same result.
So I tried booting off an SD card with Mobian installed, and that stalls out at the password. It won't unlock and the keyboard is unresponsive.
Can anyone point me in the right direction as to what might be wrong?
Thanks in advance.
RE: Main board issues - desca - 12-13-2020
I believe there’s a sort of rubbery collar thing associated with the proximity sensor that gives these symptoms if left out. Maybe yours is still on the new board.
RE: Main board issues - dukla2000 - 12-13-2020
(12-13-2020, 12:40 PM)desca Wrote: I believe there’s a sort of rubbery collar thing associated with the proximity sensor that gives these symptoms if left out. Maybe yours is still on the new board.
+1
See this thread.
RE: Main board issues - Athansor - 12-26-2020
Yeah, the rubbery collar thing was it! took me a couple of shots to get it installed right, but now we got things going. Thanks, all!
RE: Main board issues - moxx - 01-22-2021
(12-13-2020, 10:08 AM)Athansor Wrote: I have the UBPorts CE Pinephone, onto which I had flashed Mobian, and had been running Mobian successfully for several weeks. I subsequently replaced the original main board with one of the new 3GB boards, which unfortunately, was DOA. No response. Phone wouldn't even power up.
So I put the original board back in. Now I have a problem. The phone boots up fine, I enter the password and then passcode, and the launch screen appears for about 2-3 seconds and fades to black. The phone doesn't go off, but there is nothing I can do to get that screen to stay on. I can click the power button, get the phone to go into standby, and repeat the login process with passcode, with the same result.
So I tried booting off an SD card with Mobian installed, and that stalls out at the password. It won't unlock and the keyboard is unresponsive.
Can anyone point me in the right direction as to what might be wrong?
Thanks in advance.
I had a similar issue like you with the 3GB board. No response at all. In my case there were two issues combined. First, after reading megi's Hardware Guide, I realized that the new board doesn't come with any OS. And powering on without software results in no response AT ALL (exept for the chips heating up).
But the second issue made it even harder: The power-on button does not work. Furtunately, the phone powers on when connected to a charger. I changed back to the UBPorts Mainboard and it worked fine. So the issue is related to the new board. Either a hardware defect or deeper settings of the board. In megi's article I read that the behaviour of the power button can be modified. Does anyone know how?
Now my phone is hard to use: To wake it from deep sleep I need a charger. Does anyone know how to setup Mobian to wake up from pressing the volume keys?
//EDIT: Changed back to UBPorts MB, still no power button. Seems like I smashed the buttons when I changed the Mainboard