[Q] Xperia Z Wont turn un unless usb connected - Xperia Z Q&A, Help & Troubleshooting

Hello
Recently i've bought an broken screen Xperia Z, for repair it (i got it like $300 bucks cheaper) and i was ready to buy the screen, but i battery was drained and i could not test it right, when i connected to the charger, it started red light, vibrate, then 3 continuous vibes, read on the internet, OK BATTERY DRAINED, i left it charge THE WHOLE NIGHT, and when i woke up in the morning it was orange (charging), later in the day it was green (charged) but when i disconnect it, it wont turn on anyways, when i connect it to a pc, it goes blue light (wich later i read it was fastboot mode). i read for making a repair with PCC, but it didnt fixed it, then i flashed it with Flashtool, with the latest software (wich had the Sudden death issue fixed) no luck. it wont boot. for it to boot, i have to connect it to PC and with fastboot run "fastboot continue", but most of the time, it reboots and goes redlight and vibrate 3 times then reboot, so i press the power button and it enters fastboot mode (if connected to PC) or loads charging if connected to wall charger, but it reboots again and goes to redlight vibrate reboot, sometimes it stay charging or in fastboot mode, but only "works" if connected in the USB.
when it stays in fastboot, i do "fastboot continue" and it loads the OS, and it works (well, the things i can do with a broken LCD/Touchscreen, i put my sim card and could call it, and it works, but i cant pick up the call). i can explore the phone memory etc. but if it reboots or if i disconnect the USB, it will almost always turn off. i havn't found a solution (or idea) of what can happen, i dont know if its normal since it has broken lcd/touchscreen or it definitely have a huge problem,
any ideas?
thanks in advance!

Maybe the battery is damaged, and the phone knows it and boots into some sort of safe mode to spare internal damage? When the is has booted you can take screenshots with adb if you have usb debugging enabled. Maybe try see if the os says the battery is damaged?
Sent from my HTC Sensation XE with Beats Audio Z715e using Tapatalk 2

heavy_metal_man said:
Maybe the battery is damaged, and the phone knows it and boots into some sort of safe mode to spare internal damage? When the is has booted you can take screenshots with adb if you have usb debugging enabled. Maybe try see if the os says the battery is damaged?
Click to expand...
Click to collapse
Well, actually it doesnt seem the battery is damaged, fisically looks ok and it holds charge, i cant debug because usb debugging comes off by default when flash stock software.

blackknigt said:
Well, actually it doesnt seem the battery is damaged, fisically looks ok and it holds charge, i cant debug because usb debugging comes off by default when flash stock software.
Click to expand...
Click to collapse
Correct me if i am wrong but does the xperia z not support usg-otg and mhl? You could rig the phone up to the tv with a mhl-hdmi cable and maybe use a usb mouse to select things, and enable usb debugging?
Sent from my Nexus 7 using Tapatalk 4

Nice idea, now i need to find who in this country (DR) have that adapter

i ordered the LCD screen assembly for repair it myself, but im still concerned about this, as i dont know if it will boot up anyways
my phone right now isnt booting. but as i cant see images i dont know what is it showing.
i noticed the touch screen is working indeed. (when booted, it plays sounds when tapping)
i will wait till the lcd assembly arrives. any ways, any other ideas on what may happen?
the ex-owner of the phone said it started like that when it fell and broke the lcd.

OK now, i've installed the LCD, the phone works, its ON, BUT the Volume Up button and the Power Button does not work when the phone is ON,
the Vol UP button seems always be pressed cause when i press the power button for some seconds, the Phone restarts and not power off or lock/unlock
Service tests: None of these buttons where recognized.
any ideas on any hardware fixes i could try?

I FIXED IT!!
dissasembled the phone, took out the side button flex cable and the volume up button on the flex was dirty, so it was having a false contact. (wich made the button always be pressed)
I took out the yellow tape and cleaned with alcohol and a needle (its so freakin small) and put the tape again and assembled the phone and voila! IT WORKS OK!!

Yes the vol up button pressed means u get fastboot. Now that you fixed the problem and repaired the phone enjoy. Btw nice job getting it up and running.
[email protected] Z

Related

[Q] Massive Problems

Hey all,
I just installed a new digitzer on my Vivid. Everything went fine, and nothing broke as I was taking apart the phone, or putting it back together.
Now that the phone is back together, however, it is having some problems.
First off, When I try to power the phone on, it vibrates like usual, but then doesn't display anything. The phone then proceeds to enter in to a bootloop and keeps vibrating every couple moments. When plugged in to the computer, the orange light comes on for a few seconds, then turns off. Windows will not recognize the phone. All the while, the screen is completely black, and none of the lights come on for the buttons either.
The phone was working fine before replacing broken digitizer.
The phone is NOT rooted, nor has it ever been. I am running stock ICS.
have tried entering Hboot with no avail.
Any advice?
Thank you!
Can you get into any other modes? Try to get to hboot(hold down power button and volume down) while plugged into computer. Should take it to fastboot.
how long for? I tried holding down for a good 30 seconds...nothing happened other than my orange light turning off
I noticed with mine I had to go with:
Remove battery.
Replace battery
hold vol down + power
few seconds later release power
few seconds later in hboot
YMMV due to repair.
You can also try a knoppix boot disc and some tutorial to see if you can find any sign of life off the phone in dmesg.
hope this helps some.
Sounds like a loose connection. Make sure that you've correctly reconnected all internal connections. Especially the connection under the little door with the void sticker on the screw in the battery compartment. If after verifying all connections are made and proper, the problem persists, I'm sorry to say you may have physically damaged the connectors during disassembly. Please visually inspect all connections for damage. A powerful magnifying glass is recommended.
(I have successfully replaced my digitizer twice, and my LCD panel once on this phone...)
Sent from my HTC Dark Raider using XDA.
I have taken it apart twice, checked all connections, and everything is good. Phone cannot enter any boot mode, and computer still doesn't recognize it. The orange light still only stays on for a few seconds when plugged in, then turns off. The phone then proceeds to keep trying to restart itself, but the screen remains pitch black blank
idk.. get a replacement.?

[Q][SOLVED] Phone will not respond when trying to update

I have the Xperia T and I am trying to update to 4.3, I had tried to use flashtool, but the phone isn't recognised by the computer when I plug in the cable holding the down button. Now the update is finally here for me I tried using PCC but again having the same issue. I have tried two different computers and all the USB ports on them. I have also fully switched off the battery (holding down the power and up button keys for 10 seconds).
I am stumped as to what is wrong with the phone??
thanks
Can no one suggest anything I could try? I have a feeling its a hardware fault, but it seems like a strange one at that... I dont know if its related but the phone also sometimes doesn't wake from sleep, it seems to be awake but the screen is not on, which requires me to do a hard restart
I am really desperate! thanks
adsada arc said:
Can no one suggest anything I could try? I have a feeling its a hardware fault, but it seems like a strange one at that... I dont know if its related but the phone also sometimes doesn't wake from sleep, it seems to be awake but the screen is not on, which requires me to do a hard restart
I am really desperate! thanks
Click to expand...
Click to collapse
turn of your phone. open flashtool. do not connect the phone to pc. select the firmware and click on flash,. after a few seconds it asks for the phone to connect. the hold the vol - button and plug in the usb. release the vol - button after the green light turns on. this may solve your issue
romeoofair said:
turn of your phone. open flashtool. do not connect the phone to pc. select the firmware and click on flash,. after a few seconds it asks for the phone to connect. the hold the vol - button and plug in the usb. release the vol - button after the green light turns on. this may solve your issue
Click to expand...
Click to collapse
I have tried this, and it still does not work
thanks for the suggestion though
Interesting update (well not really), but I did some troubleshooting and stuff and found that when plugging my phone into the charger when it is switched off, it doesn't respond either (i.e. boot up). So I have a feeling that its the actual phone with a fault such as damaged pin in the usb port that relates to power when the phone is switched off?
adsada arc said:
Interesting update (well not really), but I did some troubleshooting and stuff and found that when plugging my phone into the charger when it is switched off, it doesn't respond either (i.e. boot up). So I have a feeling that its the actual phone with a fault such as damaged pin in the usb port that relates to power when the phone is switched off?
Click to expand...
Click to collapse
I have the same problem.
When the phone is turned off it won't charge, either wiht the wall charger or with the USB cable connected to the computer.
I've sent an email to SONY but they told me so sent it to tech support.
It's not very easy to do it where I am so I'm looking for some other options.
I also noticed it when I was trying to update to 4.3.
PC Companion isn´t a solution since it asks to connect the phone to the PC while turned off pressing the volume down button, even to try the repair.
Can someone help?
Found the issue here http://forum.xda-developers.com/showthread.php?t=2018466
Such a weird problem, but unplugging and reconnecting the battery solved all the issues I was having!
FrankieZero said:
I have the same problem.
When the phone is turned off it won't charge, either wiht the wall charger or with the USB cable connected to the computer.
I've sent an email to SONY but they told me so sent it to tech support.
It's not very easy to do it where I am so I'm looking for some other options.
I also noticed it when I was trying to update to 4.3.
PC Companion isn´t a solution since it asks to connect the phone to the PC while turned off pressing the volume down button, even to try the repair.
Can someone help?
Click to expand...
Click to collapse
Have a look at the thread link above, very simple to solve just take off the back cover and disconnect the battery for a couple of minutes

[Q] Xperia Z Died Randomly?!?

I'll started off by saying that my bootloader is unlocked and I have flashed the Android 5.0 ROM (503b) from here: http://forum.xda-developers.com/xperia-z/orig-development/exp-lollipop-xperia-z-t2929369
Sorry if this is a bit long but I thought it'd be best to tell you the steps leading up to the potential death of the phone.
As far as I can tell the issue doesn't stem from a software fault as I've been running the ROM solidly for 2 weeks now with no issues apart from not being able to hear a call when I accept with something plugged in the headphone jack.
I wake the phone and go to unlock it and the touchscreen is unresponsive. I have known it to take a second or two to wake up so I gave it a minute then tried again.
No response. Screen hadn't dimmed either so I suspected it had crashed.
Held the power button and the power off prompt appears along with all my previous actions unfolding beneath it. Just for good measure I decide I'll reboot the phone as I sometimes do when it starts to lag.
Powered off fine. Go to turn it on and nothing happens.
Battery was on about 20% when I turned it off so I plugged it in and tried again.
No LED light when I plug it in, still no response to any button combination. No recognition over USB either.
So I'm going to leave it plugged in overnight as I've seen it recommended by a couple of people before. Just wondering if anyone else has had this happen and if you managed to recover the phone?
lukeylad118 said:
I'll started off by saying that my bootloader is unlocked and I have flashed the Android 5.0 ROM (503b) from here: http://forum.xda-developers.com/xperia-z/orig-development/exp-lollipop-xperia-z-t2929369
Sorry if this is a bit long but I thought it'd be best to tell you the steps leading up to the potential death of the phone.
As far as I can tell the issue doesn't stem from a software fault as I've been running the ROM solidly for 2 weeks now with no issues apart from not being able to hear a call when I accept with something plugged in the headphone jack.
I wake the phone and go to unlock it and the touchscreen is unresponsive. I have known it to take a second or two to wake up so I gave it a minute then tried again.
No response. Screen hadn't dimmed either so I suspected it had crashed.
Held the power button and the power off prompt appears along with all my previous actions unfolding beneath it. Just for good measure I decide I'll reboot the phone as I sometimes do when it starts to lag.
Powered off fine. Go to turn it on and nothing happens.
Battery was on about 20% when I turned it off so I plugged it in and tried again.
No LED light when I plug it in, still no response to any button combination. No recognition over USB either.
So I'm going to leave it plugged in overnight as I've seen it recommended by a couple of people before. Just wondering if anyone else has had this happen and if you managed to recover the phone?
Click to expand...
Click to collapse
Do u have flashmode and fastboot and did u try this: http://forum.xda-developers.com/showthread.php?t=2229250
If u can get into flash mode, flash a full ftf with flashtool
langeveld024 said:
Do u have flashmode and fastboot and did u try this: http://forum.xda-developers.com/showthread.php?t=2229250
If u can get into flash mode, flash a full ftf with flashtool
Click to expand...
Click to collapse
Unfortunately no. The phone is doing absolutely nothing when any key combination is pressed and i've tried plugging it in via USB and doing these in case the LED light had developed a fault. Still nothing.

Black Screen and power button doesnt work after Camera Replacement

Hello guys im kinda crazy about this
i have a moto x xt1058 and it had a bad camera so i bought the replacement and i open the phone carefully like the video and i did the replacement then when i started to reassemble it i connected the battery before connecting power and volume buttons to the phone so i connected them when my phone auto started and it booted well in android 5.1 stock when i put the battery, then i finish the reassembly but i realized that my buttons were not working so i connected my phone to adb and i put adb reboot then it boot normaly but only volume buttons were working, power button was not working. then i open it only to see the buttons flex and it was connected good and didnt damage it. so i rebooted again with adb and surpirse phone after logo shows a black screen, and only active display was showing, i connected to pc and didnt recognize nothing then the battery died and actually its charging. i cant boot to fastboot because i dont know why power button doesnt work
What Can i DO, please i cant take it to repair it is too expensive. it had all stock 5.1 with unlocked bootloader.
sorry for my english, isnt my first language.
I would let it die again or power it off as you can , remove the camera replacement, put buttons and then battery back, see if phone works again.
kmiloxdxd said:
Hello guys im kinda crazy about this
i have a moto x xt1058 and it had a bad camera so i bought the replacement and i open the phone carefully like the video and i did the replacement then when i started to reassemble it i connected the battery before connecting power and volume buttons to the phone so i connected them when my phone auto started and it booted well in android 5.1 stock when i put the battery, then i finish the reassembly but i realized that my buttons were not working so i connected my phone to adb and i put adb reboot then it boot normaly but only volume buttons were working, power button was not working. then i open it only to see the buttons flex and it was connected good and didnt damage it. so i rebooted again with adb and surpirse phone after logo shows a black screen, and only active display was showing, i connected to pc and didnt recognize nothing then the battery died and actually its charging. i cant boot to fastboot because i dont know why power button doesnt work
What Can i DO, please i cant take it to repair it is too expensive. it had all stock 5.1 with unlocked bootloader.
sorry for my english, isnt my first language.
Click to expand...
Click to collapse
This is a hardware issue. Sounds like you damaged the cable to the power button even if you think you did not.
https://www.ifixit.com/Device/Motorola_Moto_X
JulesJam said:
This is a hardware issue. Sounds like you damaged the cable to the power button even if you think you did not.
https://www.ifixit.com/Device/Motorola_Moto_X
Click to expand...
Click to collapse
The phone was completely died so I let it charge then I get in in fastboot mode and restore fw now I phone works perfect but power button doesn't work maybe I have to buy flex replacement
:crying:
kmiloxdxd said:
The phone was completely died so I let it charge then I get in in fastboot mode and restore fw now I phone works perfect but power button doesn't work maybe I have to buy flex replacement
:crying:
Click to expand...
Click to collapse
I think so because this is not a software issue.
JulesJam said:
I think so because this is not a software issue.
Click to expand...
Click to collapse
oh i know that, i have restored it manually with mfastboot and still doesn't work so i will buy flex replacement , its cheap it costs like 5$
:crying:

Screen is dead after disconnecting/reconnecting battery.

My phone went to an endless bootloop after a botched attempt to install TWRP. I tried hard pressing the power button to no avail, and I can't access fastboot either. That's why I removed the back cover and disconnected the flex cable from the battery on the phone's motherboard.
Later on, I reconnected my phone's battery after my shift ended, then I tried to flash my stock rom through SP Flash Tool + bypass tool python script and it went through with a success. However, this time, my screen seems to be completely dead but my phone is still showing some signs of life (short vibration when pressing the power button, but since then it seems that it takes a few seconds more from pressing the power button to turn it on. ) I reconnected and disconnected everything to see whether or not I missed out something but the issue still persists.
The computer reads the device as "Android ADB interface" and the adb console reads it as *device id* unauthorized when I ran adb devices command. There's no notification light whenever I plug it into the charger.
Is my screen dead, or is my motherboard toast? I need to know as I don't want to spend money to buy a replacement LCD only to know that the motherboard's dead. I don't really care about the IMEI as I'm just going to use it as an authorization device for work. I can just always connect to Wi-Fi. Please advise.
One problem after another, so it seems.
Turns out I already unbricked the phone, but the thing is that my display's backlight got busted for some reason. Unless I shine a flashlight through it, I won't know what's in the screen. I'm currently on the way to get a replacement screen, and a new battery cover.
I guess this will be the last Xiaomi device that I'll ever get. This is the only time that I experienced such flimsy build quality since the LG G4.
Maybe you have destroyed a lil cable or something.

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