HI,
I have an SPH L720 that was working with the stock rom, I assume latest update but I'm not sure.
Something happened now it won't boot the OS, won't boot to recovery, it will boot to download mode but immediately reboots once in download mode.
I can't get odin to see it nor can I access it via adb sitting at adb wait-for-device while I put it into download mode.
It doesn't seem to matter if the sim chip/sd card are in or out same behavior. I'm sure the battery I'm using is charged.
Any suggestions on how to fix this? Ideally I'd like to get some photos off the internal sd card, or at the very least reflash the stock rom to make it usable again.
thanks
Are you sure the battery has a good connection? Try wedging in a piece of paper or plastic to ensure that your battery connection isn't loose. Also the power button has a tendency to stock on these devices, try paying the power button very forcefully a few times, I had this problem with my S4 and eventually needed to take it apart and clean the power button.
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bilgerryan said:
Are you sure the battery has a good connection? Try wedging in a piece of paper or plastic to ensure that your battery connection isn't loose. Also the power button has a tendency to stock on these devices, try paying the power button very forcefully a few times, I had this problem with my S4 and eventually needed to take it apart and clean the power button.
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thanks for the reply, i checked those and tried that, i think power and battery connection are okay. Pretty newish phone so it's in good condition.
I ordered a usb jig off ebay, hoping maybe it'll let me get into download mode and stay there, but not too hopeful
bilgerryan said:
Are you sure the battery has a good connection? Try wedging in a piece of paper or plastic to ensure that your battery connection isn't loose. Also the power button has a tendency to stock on these devices, try paying the power button very forcefully a few times, I had this problem with my S4 and eventually needed to take it apart and clean the power button.
Click to expand...
Click to collapse
generalnod said:
thanks for the reply, i checked those and tried that, i think power and battery connection are okay. Pretty newish phone so it's in good condition.
I ordered a usb jig off ebay, hoping maybe it'll let me get into download mode and stay there, but not too hopeful
Click to expand...
Click to collapse
as i suspected, while the usb jig bounced me into download mode it immediately reboots. It's a goner I guess.
Related
i have a tmobile wing. it randomly freezes while using it, fades to white then off, turns off
sometimes only way for it to come back on i have to take out battery and put it back.
when i turn it on sometimes itll loop the tmobile thing, maybe make it to the windows mobile green page then turn off and try again.
ive reinstalled the tmobile rom, installed open touch, still the same thing.
i read about the memory card having a loop porblem so i took it out, still. tried installing total commander and renaming the file but it wont let me rename it.
thought the screen ribbon or another wasnt in good so i took it part and made sure i put everything in good.
maybe the fact that a pin that touches the battery it broken? see how they make an arc or so. and the 1 is broken. is that the problem maybe?
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xeek said:
i have a tmobile wing. it randomly freezes while using it, fades to white then off, turns off
sometimes only way for it to come back on i have to take out battery and put it back.
when i turn it on sometimes itll loop the tmobile thing, maybe make it to the windows mobile green page then turn off and try again.
ive reinstalled the tmobile rom, installed open touch, still the same thing.
i read about the memory card having a loop porblem so i took it out, still. tried installing total commander and renaming the file but it wont let me rename it.
thought the screen ribbon or another wasnt in good so i took it part and made sure i put everything in good.
maybe the fact that a pin that touches the battery it broken? see how they make an arc or so. and the 1 is broken. is that the problem maybe?
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Click to collapse
That may well be the case. The first thing to try is to plug the phone to the charger and see if the phone works properly. If it does the next thing would be to get a new battery.
I had the same problem and it was solved by installing a new battery.
Best of Luck
yes it does do it while plugged into charger. a little less though.
and ive noticed that when i try to fix the back cover, doesnt fit right so it pops off on 1 corner, i take it off and put it back on tight, from me pressing down the phone likes to freeze and reboot.
ive been thinking about a new battery. i guess ill go ahead and get one then.
My ROM is NexusHD2-ICS-4.0.3-CM9 V1.1
The last thing I did was watch a video on YouTube (Application). I then got a black screen the next time I tried to unlock it, this has happened a few times with this ROM so I normally just soft reset it by taking out the battery.
However this time I did it again and my phone turned on, but was constantly black. It vibrated as if it was turning on but did not do any boot logo. Tried booting it into the tri-color screen and nothing still.
I have realised though that it is still booting up, and working like normally, but the screen is just black, it is a lighter black as if it's responding if I press a button. I managed to unlock my phone by doing my pattern, and I can hold the home button and feel a vibration, so I know it has booted into Android.
I'm just really not sure what to do, I've looked all over the forums and found one similar problem but no solution. I think I can get into the tri-color screen if I hold down vol down but it won't show the screen, I just know it is in the screen as I see the light is constantly a light black as if it is constantly on.
Shall I try Task29 or does anyone have any idea what I should do?
Edit*
I can now run AndroidScreenCast and operate my phone from my PC. I can control my phone as if i was normally, but the screen is just black. Like I said it turns onto a light black when anything happens but hat's it. Is it just my screen afterall? (It has been cracked for over a year now but no problems upto now..)
My guess is that you accidently disconnected the output cable from phone to display.
This should be the issue since there seems to be no screen but interactive elements.
Sent from my HTC HD2 using xda premium
Any idea if I can do anything about that myself?
Korv said:
Any idea if I can do anything about that myself?
Click to expand...
Click to collapse
Hmm the cable is right under the hardware buttons.
You can try pressing around them to have a chance of getting it back (no guarantee and if you break your display its not my fault).
If you are experienced enough you could remove the LCD but I don't know anything about that.
Sent from my HTC HD2 using xda premium
yes, you could be the ribbon cable connector to the motherboard, you must fully remove the display and see if the latch on the cable connector is closed.
Also check if the cable is securely attached to verify you see two small ends' near the copper plug is attached to the plastic connector on the motherboard.
good luck
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Hi guys,
One of my cousins has a Lenovo K1 tablet. Recently when we booted it up and as soon as we unlock the lockscreen on initial start up, EVERYTHING force closes. We get pop ups about various processes that force closed and all we can do is press "OK" and the pop ups just keep coming and coming.
My cousin isn't very tech savy. He doesn't even remember what he was installing or what he was doing when it started doing this. He doesn't even know which Android version it has. All we can assume is that it is running stock. The basic font and theme makes me think it is on ICS but we aren't sure. The pop ups are so irritating, we can't even go into settings or do a factory reset
Another bad thing is that my cousin has lost the data cable. All he has is the tab and the power adapter for charging.
Is there any future to this tab ? What can I do to help ? I am not even sure whether there is a recovery option in this K1 tablet or not and how to boot into recovery.
If I am successful in booting into recovery, I can hopefully flash one of the latest 4.2.2 JB roms here
Any help in this regards will be highly appreciated.
Thanx a lot in advance. Desperately waiting for a reply
Hi guys,
It's been a very long time since I got a reply, but nonetheless I'll try again and this time with pics.
I am going to order the data cable now either from the US Ebay site or DX.com site.
But in the mean time, now I have the tablet in my hands, and when I start it up, it shows this lockscreen...
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In the lower right corner, you can see the battery icon and there it says "No internet connection".
After that, when I unlock it, it immediately shows VARIOUS Force Close popups, which look like this...
And when I try to LONG PRESS the power button, it simply shows this message "Power Off - Would you like to shutdown" and there is OK and Cancel. It looks like this...
From the looks of the lockscreen, it seems that it is stock ICS or something. I am not sure. I am unable to open or go anywhere When long pressing the power button, there is NO OPTION for "Boot into recovery" or anything. Is there any way I can factory reset this tab WITHOUT the data cable ? I have ordered the data cable, but it will take at least 10 to 15 days to reach me.
What would you guys suggest I do ?
Thanx a lot in advance for any help
Alright, so I did a lot of research and found out that my only option is to order a data cable and connect the tablet using that data cable to the PC in APX mode and reflash.
Thought I should mention it in case someone has problems like me and comes looking for answers
Kazekage Gaara said:
Alright, so I did a lot of research and found out that my only option is to order a data cable and connect the tablet using that data cable to the PC in APX mode and reflash.
Thought I should mention it in case someone has problems like me and comes looking for answers
Click to expand...
Click to collapse
Once you have the data cable follow the instructions for flashing a rom with NVFlash, I would suggest KASCHEMME.S CM 10.1.
Sent from my Ideapad K1 using XDA Premium HD app
My phone was working fine, picked it up just now to check calls etc screen wouldn't come on. Hit the power button the lights come on a notifaction came through and started flashing but still the screen wouldn't come on. Pulled the battery and restarted the screen lit up like the static on an old TV then went of again.
Whats wrong?
Mine freezes up sometimes, screen won't come on, go to pull the battery too
It's possible something got corrupted when you pulled the battery - try clearing caches from recovery
*Detection* said:
Mine freezes up sometimes, screen won't come on, go to pull the battery too
It's possible something got corrupted when you pulled the battery - try clearing caches from recovery
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Click to collapse
Its on again now. Why did that happen or what does it mean?
slugger09 said:
Its on again now. Why did that happen or what does it mean?
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Buggy ROM, are you running Lollipop?
There are many bugs in LP at the minute, if you upgraded from KK it's advised to perform a factory reset to get rid of a good number of bugs, KK leaves behind rubbish files that cause problems
I factory reset mine but occasionally get the black screen problem - known as SOD or Sleep of Death - phone goes to sleep, doesn't wake back up
I had same problem... sometimes it look like the light is very low... suddenly the screen went dead.... samsung replaced the screen.
Yes I am running lollipop I already had done a factory reset and cleared the cache. Happened twice again today. I got this
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When I pulled the battery, tried a couple of times and it eventually worked. I may be wrong but I think there is a lose cable connecting the screen.
I'd get it repaired under warranty if you still have it, factory reset should have fixed it if it was a ROM bug, could try flashing a stock ROM again, but I think that's more likely to be a hardware issue
*Detection* said:
I'd get it repaired under warranty if you still have it, factory reset should have fixed it if it was a ROM bug, could try flashing a stock ROM again, but I think that's more likely to be a hardware issue
Click to expand...
Click to collapse
Yep, just came across a massive thread on Android Central about this issue, seems to be very common.
Any update on this, I think it might of been the case causing issue. I had one of them cheap plastic cases on it, it was so tight I had issues pressing the buttons, and when I took it off back cover and everything pulled of. Anyway I replaced it with an S View case and all has been fine. Could it of been the case?
Guess it's possible if it was extremely tight - not sure what's directly under the body of the actual phone, you'll have to give it a while and see if it happens again
Hopefully not
Hi Guys, I need help, I cant boot my device, the blue led always on and cannot turn off the device.
I tried to look over the forum but I found nothing similar to my case.
first. I always have random freeze and rebooting, none of custom roms helps, then I try several kernels, none of it worked. I booted in safe mode, still the same. and I flash stock several times but still the same.
and yesterday, it turned off, wont booted or turned on at all, even button wont work, when I connected to charger, it wont show led, I guess my battery is the problem. then I shake my phone gently, finally it booted.
and this morning, it suddenly turn of to boot screen, I cant event enter recovery or download mode. try force restart several times but then it show s7edge boot screen then show the black scrren and red writing. now I cannot turn it off.
I tried to connect to smart switch, it recognized my device but stated that my device is not supported for initializing.
I cannot even connect it to charger.
Anybody please help me, before I take it back to service centre.
thanks in advance
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never saw that screen before and im a flash spycho, if ur under warranty better go to service center, maybe ull even get a replacement.
galarond said:
never saw that screen before and im a flash spycho, if ur under warranty better go to service center, maybe ull even get a replacement.
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hi there, exactly, I never saw something like this before. I couldn't turn off. so I just leave it in cool room (16 degree celcius, air conditioned room) to prevent it over heating and explode ( lol I was scared lol)
and it just turn off, and I tried to enter download mode again, it worked, but lol when restarting it stuck and bootloop again (freeze at bootloop).
I guess I need to take it for service though, I am pretty much sure it has something to do with hardware
That's the Bootloader Exception BUG. Not really a bug, but defect. This error is shown when there are bad blocks on the flash nand chip. Some users had luck continuously trying to reboot to download mode. Others didn't. Either way it is a hardware defect. You better give it to service.
nitrous² said:
That's the Bootloader Exception BUG. Not really a bug, but defect. This error is shown when there are bad blocks on the flash nand chip. Some users had luck continuously trying to reboot to download mode. Others didn't. Either way it is a hardware defect. You better give it to service.
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Click to collapse
wow thanks a lot!!! I thought so, It must be hardware related issue. I will bring it to service center tomorrow.
appreciate a lot ^^