Stucked in guest mod - X Play Q&A, Help & Troubleshooting

Hello, my story is about my morning rutine by force shut down the alarm clock without looking at the screen, and now i realize it was a mistake and been stucked in guest mod for about 2 days now and i cant do anything, and i knew there was a unlocking combination keys but cant get right and now im thinking about flashing again stock rom but it there is a solution please help!?

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[Q] [HELP] Bootlooped i9500, cant access download mode

Hey there everyone, and thank you all in advance for any help i might receive with my issue. I have a S4 gt-i9500, i havent played around with rooting or installing any custom firmwares so as not to void my warranty, but today, out of the blue my phone just turned off and started an incessant bootloop. I cant even get it to stay off, when i try to access recovery mode i get this little pic that goes by so fast i cant really see it, but it looks like the android dummy lying down dead , with a red exclamation mark on top of it. I can access the first stage of download mode, but when i press Vol up, nothing happens and after a few secs the bootloop starts again(even if i dont press anything). I took my phone to my provider and they told me my warranty was violated because of some bs key scratches on the chrome bezel, id really appreciate any info on how to make it stay in download mode long enough to flash a rom or custom recovery on it to see if i can get it fixed.

[Q] Screen replace and phone stuck

Hi,
Recently i broke the screen, so i bought new once from eBay(not sure original or not), Installed it my self, screen is working but phone is stuck on boot(OS) loading, I am able to boot into recovery.. I have tried formatting all then trying but nothing has worked so far .. I am trying a custom rom..
Kindly suggest whats else I can try.
PS: the phone is getting too hot while trying to boot
Thanks,
Ripu
Found this :http://forum.xda-developers.com/nexus-4/help/nexus-4-stuck-google-logo-screen-t2387338
Can anyone give me suggestions please

[Q] (S4 I9500) Stuck on Samsung Logo + Can't go to Recovery or download mode

First thank you for viewing my question and issue.
I'm new in here hoping to find a solution to my problem. I bought a used S4 I9500 last year it was lagging acting up slow did a search and read online that I might need to install better version via Odin (I'm totally new to the android world so I think I did a mistake here somewhere). So I did install I9505 version which I thought will work fine. (sorry for not doing enough researches coming from IOS which is less complicated). The phone apparently did a restart and got stuck on the Samsung logo which kept glowing for few minutes.
It was mid night by the time I was cracking this stuff out, so thought to myself to keep it plugged and go n rest for few hours. I woke up and the Phone was still stuck on the Samsung logo which was glowing not like paused or something. The phone was hot so i thought I should stop the whole operation before something worst happen. Did some searches and found that people are fixing this issue by going to recovery mode or download mode etc.
The thing is Vol+ and home button + power or Vol+ and power trick doesn't show the menu anymore. When i click any of these it just does a random reboot showing Galaxy I9500 logo and then back to the glowing samsung logo. notice that I was able to go to download mode and recovery mode prior to this issue but now I just can't for some reasons.
Would appreciate any help. Thank you
Find someone that can use Jtag maybe they can fix it.
Hard lesson for you. Never flash a firmware for another device onto your phone.
If they can't fix it, then you can buy a new phone. You bricked it.

Need Help on my LG L22 ISAI (Does not go to download mode)(Forgotten Password)

Hello! good day, im currently repairing my friends LG L22 isai, He got it from his mother from japan.. it's from her mother's friend who forgot the password.. I'm currently trying to fix the problem but i came into i new problem. I cant access the hard reset menu from this device, i tried power+volume up and a "Backup&restore" appeared and after that the screen hangs. i tried to leave the phone for almost 3 hours assuming that it's normal for it to take too long, but still no progress just black screen (i know that the screen is still open because of the backlight of the screen) i tried almost all of the combinations on this phone and still cant find the recovery mode..
Do i need to flash a new rom on this device?
Wish you could help me guys..
TIA

Zuk Z1 went dark

So i have bought my phone about 3 months ago. All have worked well, but a couple off days ago, it have had some problems.
It sayed 2-3 days trebuchet process have stopped and process.android.process.media has stopped. The only solution when this came i had to restart the device. I tried yesterday a factory reset but it didnt work.
Yesterday evening it did again the process stopps and then i tried to restart my phone. But when it shut down it dosent anymore go on. Now it dosent react to anything, not the normal powerbutton and not even the powerbutton + volume -. I havent rooted the device. So is there anything i could anymore do or should i just send it to warranty repair?
Im very desperate, thanks for all the help. But if you have an solution can you write it step by step, im not so experienced in smartphones.
Now i got the phone to restart but when it start it says over and over again that trebuchet has stopped. What can i do to this problem?
Edit: And now its stucked in the Zuk start screen. Dam im getting frustated...
Enter in recovery mode and do a factory/cache wipe
Have you installed any themes? Because some cm13 compatible themes cause system ui crashing
Hello, havent installed any themes. How do i get to recovery mode?
If the recovery mode is volume up and power button. This neither works, its still dead. Dosent even vibrate when pressing power button long.
Power on the phone , when you hear the vibration and the zuk logo appears , press both volume buttons, this should let you boot in the recovery
What happens if you connect the fone to charger?
But the phone dosent power on. So i cant do that. And no, the battery is not dead.
Ok, if you cant boot it, the last thing is warranty , where have you bought your device?
I could boot it today on the morning 1 time but then it again died and now its totally dead. I bought it thru tomtop, have put a message to the seller already. Lets se what they answer.
Ok, hope the seller will answer you , continue trying to boot it .
Let me know if wou solve it ��
Yeah the seller answered that i get a new device. But then on tuesday i tried a last boot, and it got alive again! I did the factory reset and now the phone has worked perfectly after that [emoji106]
But now the trebuchet keeps stopping and after that all the processes i have open. So now i changed to Nova launcher, i hope it would solve the problem.
Glad to know you solved the problem
Trebuchet problemi shoul be solved with marsmallow update.
maryankomar said:
Glad to know you solved the problem
Trebuchet problemi shoul be solved with marsmallow update.
Click to expand...
Click to collapse
Yeah it was solved like 5 days. Now the apps started to crash again :crying: And now the f***** phone dosent even start. Its just stuck in the Zuk powered by android start screen. Is there something i could do? I dont think the factory reset would help in long term beacause it didnt help the last time. Or should i just send the phone to the seller and request for a new one?
Edit: And now the factory reset dosent even work. When i try to reboot it after Factory reset its stuck on the Cyanogen start screen, so i think my last option is to ship the phone to the seller and hope i get a new device.
Edit2: And now after a second factory reset the phone started to work again. What can cause this type of meltdown? Could it be somekind of hardware problem or is it a software problem?
The Best solution is to change the device if you can, because you're not sure if it will work in the future.

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