Hi All,
I recently tried to fix my older sons xperia zl, The phone would not power on, it did not show any signs of life when plugged in to a computer. Tried all the different button combos and the off button at the back of unit but still nothing.
So I opened it up and checked each component visually, did not notice anything wrong.
I decides to see what would happen if I disconnected the battery and plugged it in to just usb to the computer.
Well it showed up in device manager as a SEMC flash device, and the red notification light came on. Then it started to try to turn on without me pushing the power button, the screen gets to the sony logo and then goes black and starts again.
The next thing I tried was to flash a new rom to it, under Flashtools it automatically goes in to flash mode, found my rom and hit flash and it completed the flash. Disconnected the usb , connected the battery but nothing no power and still nothing in device manager.
Another weird thing that happens is that while the battery is disconnected and i hold the vol+ a blue notification light turns on and the phones goes into fastboot mode.
I initially thought the battery was the problem so I ordered a new one and installed it but the same thing keeps happen, anytime the battery is connected the phones does not react to and buttons, even when the usb charging cable is also connected.
I am wondering if someone has a schematic or know of a capacitor, resistor or fuse that is stopping the phone from recognizing the battery.
Any help would be greatly appreciated.
Related
just received my new zl. tried to turn it on to test it out, felt the vibrate but the screen is black. i suspect the battery is dead and needs a good charge. i plugged it into the charger but no lights or indication that it's charging. did the same thing by plugging it into the pc and again nothing. is this normal? do i have to wait a few hours for the battery to charge up? or do i have a lemon ?
i hope to god this is normal. returning this for a warranty will be a major hassle as it was sourced internationally.
alright, i've managed to get the notification light blinking green but nothing shows up on the screen. figured it was off and just charging, i tried to turn it on but nothing happens. so i tried i the volume up + power button trick whilst the light is blinking green and it turns solid blue, but the screen is still off. i believe i'm in fastboot mode now. when i plug it into the pc and repeat the steps, windows recognises the fastboot mode but it can't install drivers for it (i've got pc companion installed). what the hell is going on?
update. plugging it into the pc and doing a light reboot (holding the back off button for 5 secs with 1 vibration) allows the pc to briefly recognise it. it does this for a sec or 2 and disconnects it. and then it will continue doing this on a loop. is this a boot loop? i'm trying to make it so that the phone can stay connected to the pc for a few minutes, enough time for me to flash the rom using flashtool, PCC, or SUS. but because it's connecting and disconnecting, i can't do anything.
so at the moment, this is what i have figured. i'm stuck in a boot loop with a battery that is dead. anyone got any ideas?
swooc said:
update. plugging it into the pc and doing a light reboot (holding the back off button for 5 secs with 1 vibration) allows the pc to briefly recognise it. it does this for a sec or 2 and disconnects it. and then it will continue doing this on a loop. is this a boot loop? i'm trying to make it so that the phone can stay connected to the pc for a few minutes, enough time for me to flash the rom using flashtool, PCC, or SUS. but because it's connecting and disconnecting, i can't do anything.
so at the moment, this is what i have figured. i'm stuck in a boot loop with a battery that is dead. anyone got any ideas?
Click to expand...
Click to collapse
The only thing that I could think is that the phone is under warranty which Sony will able to replace it.
Sent from my C6506 using xda app-developers app
Hi, only had it 3 days and it wont power up any more!
The battery was down to about 27%, plugged it into the wall charger and the phone just rebooted itself. After it booted back up I connected the charger again and this time the phone just turned off. The phone won't turn on any more, i just get a constant blinking red led light.
Tried a volume up + power button for a minute now nothing.
Tried pressing the little red button under the Sim, nothing.
Connected the phone to a PC and the PC makes a blip sound(found new device sound), but just keeps repeating the blip sound, like the usb cable has been unplugged and plugged back in over and over. Wanted to use the Sony companion software to do a reset.
Any other ideas or is it dead?!?
thanks
Viper888899 said:
Hi, only had it 3 days and it wont power up any more!
The battery was down to about 27%, plugged it into the wall charger and the phone just rebooted itself. After it booted back up I connected the charger again and this time the phone just turned off. The phone won't turn on any more, i just get a constant blinking red led light.
Tried a volume up + power button for a minute now nothing.
Tried pressing the little red button under the Sim, nothing.
Connected the phone to a PC and the PC makes a blip sound(found new device sound), but just keeps repeating the blip sound, like the usb cable has been unplugged and plugged back in over and over. Wanted to use the Sony companion software to do a reset.
Any other ideas or is it dead?!?
thanks
Click to expand...
Click to collapse
What did you do before it can't turn on?
Can you flash the ftf on it?
Sent from my Sony Xperia™ Z using XDA Premium
Ben Ling said:
What did you do before it can't turn on?
Can you flash the ftf on it?
Sent from my Sony Xperia™ Z using XDA Premium
Click to expand...
Click to collapse
Hi, not flashed anything as the phone was brand new. Spoke with the retailer and they swapped out the handset.
I did manage to get the device to boot up after more searching online, by holding down the power button for about 10mins and keeping it charged at the same time. The flashing red light then changed to a solid orange light, after another 10mins or so the phone booted up. But the phone was playing up after that even after a hard reset.
Viper888899 said:
Hi, not flashed anything as the phone was brand new. Spoke with the retailer and they swapped out the handset.
I did manage to get the device to boot up after more searching online, by holding down the power button for about 10mins and keeping it charged at the same time. The flashing red light then changed to a solid orange light, after another 10mins or so the phone booted up. But the phone was playing up after that even after a hard reset.
Click to expand...
Click to collapse
so for now it still can't boot up ?
Hello, Huawei gadget friends.
My watch started to go in to a "low power boot loop" a week ago so I left it alone hoping a full drain would restore it back to working condition, but alas not.
So now this is the situation:
1) press button, nothing happens
2) connect to power shows the charging icon (white battery with power sign) and then after a few mins commences a boot loop as follows
3) from the charging icon, then gives the "Device software can't be checked for corruption..." message
4) followed by the red Huawei logo, then a single vibrate and then back to step 3 above
5) removing the watch from the charger stops the boot loop but then shows the low battery icon (white battery with one bar).
In one or two occasions, I saw it boot up to the colorful spinning 4 android wear logo, but did not complete (did not show "Android Wear" before rebooting again.
I have tried getting it to recovery mode screen or fastboot but without success -- I keep getting the second buzz without fail.
When the beta of 1.5 came out, I tried it, but since then, have wiped my mac and don't have the adb/fastboot software anymore. From reading the forums, there is now some new software called TWRP. Please advise what I can do.
Would I be right to suspect that it is some battery problem? Is it beyond help? :crying:
Thanks in advance!
MMM
Edit: I have also left it on for several hours charging (and rebooting constantly), thinking that perhaps it is just low battery -- but no success.
I'm experiencing the same problem, i turned it off yesterday at 17% and connected to the pc this morning to charge. I immediately noticed that it started looping with the white icon and it doesn't turn on, nor boots into download mode.
Have you found any way to restore it?
Mine doesn't show the red HW logo, charged for some hours and nothing.
I noticed that the pc see that there's something connected, but keeps saying "USB not recognized". I don't know what to do, i may open up and disconnect the battery
EDIT: SOLVED, it was just the cable that broke somehow. I soldered a new cable to the circular base but that didn't work, but as soon as i received this i connected to the pc and started pressing the button randomly till it showed the battery logo and started charging
I got this when I plugged it into my laptop. Plugging it into a dedicated USB charger solved my problem - I suspect the power rating on the USB socket wasn't high enough to charge effectively or that the USB socket is faulty in some other way. From what I understand, not all USB sockets are equal in that some are suitable for high-drain devices, some not so much. So trying another USB port on your computer may also help (Unfortunately at the time I was backing up to an external HDD on the other USB so that option wasn't open to me).
guyz, i have tried my method it actually worked on Xperia X Perfomance
When it goes to Bootloop for Drained battery, i just plug the cable and perform activity block method By pressing and holing power and both volume up and down and when it hits the 1st viberation i just simply release the key. (remember dont hold it too much long after 1st single viberation just release the keys ) and your phone will go to block activity mode. charging light will change it colors from red to blue.. after 2 minutes just press power button then you ll get another viberation and your phone will be seen as charged 2% and then it will be normal again...
i think it happens when battery drained and phone is unexpectedly trying to go boot in first place.
thank you
So I was talking on my Z2plus and I dropped the phone it was in its original case.
no physical damage to the phone.
but it won't power on now. tried all the button combination nothing works ,no vibration nothing.
When I connect it to the charger the notification LED blinks.
Connected it to my laptop too still nothing.
any idea what to do with it now?
UPDATE: saw this suggestion in the official lenovo forums to remove the back cover and unplug and plug back the battery.
tried it and it works.PHone has started .
UPDATE 2: The phone has shutdown again and unplugging and plugging the battery doesn't work any more. but notification light blink when connected to charger whether the battery is connected or not. so I think that battery might be at the fault here.cant do anything about it as lockdown is going on.will update once lockdown is over.
Have a P3XL that I'm I was going to load a custom image on. But I can't for the life of me get it to recognize having any form of usb data connection.
When I plug it in, it simply starts charging, no usb notification appears on the phone for adjusting the connection, the computer doesn't make a sound, nothing.
With the very same cable I can plug in a P6 and P3 and they will immediately be detected in the device manager.
I've tried messing with all the USB settings on the phone, turning them off, adjust the default use to File Transfer / etc... (note that none of this is from the usb notification, but the actual usb settings under preferences since it's unable to detect it's even attached!)
I'd had a couple issues with the port only charging sometimes so I bought a replacement charging assembly and installed that assuming that would make all my problems go away and while it definitely fixed the cable so it charges every time, it continues to refuse to be recognized as a device.
Does anyone have any ideas what would cause something like this and what might be wrong to cause it to not be recognized AT ALL (to re-iterate, the computer literally can't detect that a device was attached it's not doing anything, both with old and brand new charging port).
(One other quirk, not sure if it's related...The phone never actually stays off. If you power it down, it will power itself back on just a few seconds later. The power button itself isn't stuck and works perfectly for all the normal functions: tapping/holding etc.. And to be clear, it never shuts itself off randomly or anything like that, it's just if you hold the power button and choose "Power Off" it shuts down and then just reboots 2-3 seconds later)