[Q] LG Optimus L7ii automatically factory resets - Optimus L3, L5, L7 Q&A, Help & Troubleshooting

Hi
I got 2 of these phones a month ago.
The one has done a factory reset twice in the last 3 days. The phone just turns off by itself and when I turn it on the Android setup wizard starts up and all my apps, photos etc is gone. I took it back to the store and the guy said 4 other people has the same problem and he doesn't have a solution. The phone is not rooted.
Android version 4.1.2
Software version P71310b-ZAF-XX
Please let me know if you have any suggestions, I'm wasting all my data reinstalling my apps.
Leane

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Nexus froze at starting screen

About a month ago i doanloaded an app that would allow me to change the font of my nexus, i have used it twice and worked just fine, however, two days ago when i used it again, and it asked me to reboot, i agreed, however since then my fone is stuck on the starting screen of VillainROM, first i get the google starting screen then the villain.... I restored the factory data by doint the hard recovery, however it is still stuck!!!!! What should i do???? This phone is a birthday gift i really want it back!!!! Please help me

[Q] Galaxy 4 Restarts automatically

I have 2 months old Galaxy s4. It was working fine until last night. Since last night, it automatically restarts and when it restarts it shows me 0% battery left. It started doing this when I was surfing facebook. I uninstalled facebook and it worked fine for a while. Then I tried going on whatsapp and it restarted again. Then i did the hard reset and It worked fine until I went on browser and it restarted again. Now its happening everytime I use anything on the phone.
I bought this phone from India and when I tried calling samsung support in Canada they refused to help me. Does anyone have any tips for me?
PS: When it shows me 0% battery, I removed the battery and restarted the phone and battery came back at 90%. So I dont think its battery problem.
Its even restarting now when I send text messages...driving me nuts...any sugestions??
jbpunjabi said:
Its even restarting now when I send text messages...driving me nuts...any sugestions??
Click to expand...
Click to collapse
Try removing your SIM card if you added one, and if that doesnt make anything better, then try to factory reset and flash stock firmware. If both those options fail to yield any results i think your phone might be defective.
I will try removing the sim. I have already tried factory resetting and it didnt help. What do u mean by flash stock rom?
Please pay attention to the device forum in which you seek help
There are many models of S4 and use of some software will turn your device into a $700 paperweight
Thread moved to correct forum
FNM
jbpunjabi said:
I have 2 months old Galaxy s4. It was working fine until last night. Since last night, it automatically restarts and when it restarts it shows me 0% battery left. It started doing this when I was surfing facebook. I uninstalled facebook and it worked fine for a while. Then I tried going on whatsapp and it restarted again. Then i did the hard reset and It worked fine until I went on browser and it restarted again. Now its happening everytime I use anything on the phone.
I bought this phone from India and when I tried calling samsung support in Canada they refused to help me. Does anyone have any tips for me?
PS: When it shows me 0% battery, I removed the battery and restarted the phone and battery came back at 90%. So I dont think its battery problem.
Click to expand...
Click to collapse
I had an issue similar to this on my girlfriend's Galaxy S4 SGH-1337 AT&T 32GB. Purchased in America from Samsung.
Removing SIM card, removing SD card, removing both. Factory reset, blah blah blah - none of that worked.
What he was referring to, flashing stock ROM is using an application to force push the original software for your phone back onto your device like brand new. Sometimes this will fix defective issues in a device's software causing these malfunctions.
I did this and fixed her phone's problem completely. Try doing so by following the directions in this thread:
http://forum.xda-developers.com/showthread.php?t=2261573
*UPDATE: That link provides the AT&T file for flashing stock ROM. You may have to find your specific carrier and model "firmware" file. Just search the xDa forums for so. I quickly looked for a list of models/carriers firmware and didn't see them in a single list. They're available elsewhere but I support xDa and don't want to provide a link to another site.
If you don't have AT&T, make sure you find your model and carrier.
I bought it from India...brand new unlocked....which ROM should I use?

Brand New N-910C 5.1.1 freezing, help ASAP, Send back and get new one?

I have had two Note 4's but both were on kitkat. One I handed down to my son, and the other I had rooted and running great, but it got stolen out of my car on Christmas Eve. I ordered a brand new 910C and received it yesterday. When I started it I noticed it was running 5.1.1, but no biggie. Basically all I have done with it was restore my messages and contacts through samsung, and was having it re-install all the google apps I wanted to keep. It wanted to install a 95mb update, but I kept telling it no as I didn't have time to research what this update was. I hadn't done anything yet with the phone, it was just downloading google apps. I went to bed, plugged it into the charger, and was lying there reading an article on the internet app. The phone then froze and rebooted. After that, every time it re-started, it would start up then freeze. I tried to get to erase data through the software thinking it downloaded a bad app and I would start again, but it was freezing before I could do it. So then I went into the up arrow, home, power menu. If I was slow in that part, after so many seconds, the phone would freeze. It seems like it may be a hard ware issue freezing after so many seconds. I then was quick about it and first did a erase cache, no luck, then I did a full factory re-set. Now if I try to boot, it just freezes at the Galaxy Note 4 splash screen. Is there anything I can do to fix this, or did I just happen to get a lemon and need to send it back? I would appreciate any timely responses you can give so I can figure out if I need to contact the company I bought the phone from. Thank you everyone.

Random restarts after updated to nougat :/

So i updated a few days ago to nougat, everyhing went fine now as of yesterday my edge suddenly random reboots for no reason? i dont get it.. i have tryied clear cache from partition and even did a factory reset still nothing.... what can the problem be ? it never restarted before the update so clearly something messed up my phone after that but how..... i hate this any fix for this?
I don't have such experience and seems initially you did not have either.
Do you use stock/unrooted?
Do you use whatsapp gifs?
yes im stock no root or dont plan to either.. using whatsapp but no gifs why ?? this really sux
I'm having this problem too. 2 random reboots last week. Today it rebooted and because I had secure startup enabled it got stuck in the "enter pin" screen, so the alarm didn't work and arrived 2hs. late to work.
Hello,
Same for me
went back to 6.0.1 and the problem is still there.. OMG i give up on samsung god dammit... worst luck ever my old S5 was better then this
Hi,
I have experienced this on my new S7 Edge today, 2 random reboots. Did any of you manage to get to the bottom of this probem?
Thanks
Hello I have a Galaxy S7 and since the update to Android Nougat 7.0, my phone restarts randomly, it can stay an entire week without restart and it can also restart 2 days in a row. It's totally random. I have reset to the factory settings and I have reinstalled only the most important applications (facebook messenger, viber, yahoo mail) but unfortunately about ten days after reset, the problem has reappeared. What could be the cause of this problem? For info, the firmware version installed on my phone is: G930FXXU1DQBO. Also, I saw on SamMobile that the countries that received the update later, had a new version. Could the problem come from that? Is this a bug in the firmware installed on my Galaxy S7. Thank you in advance for your help.
GeekTN said:
Hello I have a Galaxy S7 and since the update to Android Nougat 7.0, my phone restarts randomly, it can stay an entire week without restart and it can also restart 2 days in a row. It's totally random. I have reset to the factory settings and I have reinstalled only the most important applications (facebook messenger, viber, yahoo mail) but unfortunately about ten days after reset, the problem has reappeared. What could be the cause of this problem? For info, the firmware version installed on my phone is: G930FXXU1DQBO. Also, I saw on SamMobile that the countries that received the update later, had a new version. Could the problem come from that? Is this a bug in the firmware installed on my Galaxy S7. Thank you in advance for your help.
Click to expand...
Click to collapse
Had that issue with my Note edge after updating FW to stock 6.01, many threads in Note edge forum report the same. Samsung gave a s..,,,t , never fixed it.
Maybe Whatsapp? Or SIM card?
I had the same issue, but worse. Between 15 and 30 random reboots a day, during calls, during emails, during sleep. Often (and every morning) I picked up the phone and it said it had a reboot, therefore no finger print wakeup etc. After a ton of googling, Wipe Cache, Safe Mode and all that (changed nothing) I ordered a new SD card. Changed nothing. Then I did a factory reset, re-installed all apps via Google backup. Changed nothing. Meanwhile Samsung customer support tells me to send in the phone, may take a few weeks - haha. So I did another factory reset, but then only re-installed the most necessary apps (although I don't want to have a flagship phone and not install whatever i want). Changed nothing. Still 15-30 reboots a day. Plus a seriously bad battery life, maybe because of the reboots, or nougat, or both. Enough for me, and all the more reason not to buy S8. I ordered a Mate9Pro, which is not as gorgeous as the S8, but at least big, 6GB RAM, fastest chip around and has a 4000mAH battery. However, after re-installing all my apps on Mate9Pro and putting my SIM in there (runs smoothly), Whatsapp (without the SIM) kept popping up on the S7. So I uninstalled. While I was at it, I also uninstalled airline apps (Air Berlin, easyjet, Lufthansa, Miles&More - don't ask why). Since then, no reboot on the S7 (8 hours so far, but that's the longest period since the Nougat update). So the maximum damage has been done (had to buy a new phone), and now the old phone works just fine. Maybe it was Whatsapp, or another app causing it to fail? Or the SIM card? I have no clue but maybe someone with some knowledge can make sense of it?
I was having the same problem after nougat update. I noticed that after the reboot I would have notifications from specific apps like airasia app , I shut off notifications from almost all except a few important apps. Reboot no. has drastically reduced since then.

Bootlooping start on V20 H918 now?

I brought couple used T-Mobile V20 which is H918 but both seems start having the boot looping issues that would restart itself 5-6 times a day with normal use, some times even just listening songs with bluetooth at work would restart 2 times in 4 hours... I can't get replacement from T-Mobile since I didn't buy from their store and don't have receipt for LG to warranty although it still made within a year
Random reboots & forced close should not be confused with the dreaded G4 & v10 bootloop issue.
Bootloop suggests you can't fully boot your phone, not that it reboots after some use.
God knows what they've been through if you've bought them as used..
I can only suggest a factory reset & reinstalling a factory stock rom.
Prowler_gr said:
Random reboots & forced close should not be confused with the dreaded G4 & v10 bootloop issue.
Bootloop suggests you can't fully boot your phone, not that it reboots after some use.
God knows what they've been through if you've bought them as used..
I can only suggest a factory reset & reinstalling a factory stock rom.
Click to expand...
Click to collapse
I did factory reset and restore data with LG backup and they are all fully stock not rooted... but both doing the same things.
Erick Cho said:
I brought couple used T-Mobile V20 which is H918 but both seems start having the boot looping issues that would restart itself 5-6 times a day with normal use, some times even just listening songs with bluetooth at work would restart 2 times in 4 hours... I can't get replacement from T-Mobile since I didn't buy from their store and don't have receipt for LG to warranty although it still made within a year
Click to expand...
Click to collapse
Actually my first lg v20 (which i bought on october 19 and arrived on October 21) came defective and that is what was causing the random reboots and even the sim card showing no service and an x on the icon. Then after they replaced it for me i never had any random reboots that wasnt intentionally caused by new mod kernels or other mods or roms. So..... Chances are about 50% your devices had the same issue as mine but they didnt mention it on the sale description.
I would try force updating to the H19810p update. I had this issue 24 hours ago, and spent a mass majority of the day fixing it. This resolved any issues I had, fixed the boot loop, got rid of the Device is Corrupt, and put me on thw latest firmware.

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