Jiayu S3 hang/reboot after unlock - JiaYu S3 Questions & Answers

Hi guys!
I'm noticing some strange behaviour (lately more frequently):
After entering my unlock PIN (pressing the enter button) the phone will hang and finally reboot. Any idea how to get down to the root of the problem?
I can connect to my phone via adb, but I don't know if there are any features commands that I could use to get more information on that.
Looking forward to your input

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Entering booloader! how?

Hello. I've got problem. I need to enter bootloader but my camera button doesnt work. Is there any other way to enter it?
(c500 owner)
thanks in advance.

HTC 3450, HELP! doesn't enter bootloader mode

Hi everyone,
Before opening this thread i have done a lot of search about my problem but i could not find any solution. My pocket pc is HTC Touch 3450, it works fine but i want to unlock its CID. I tried every combination to enter bootloader mode (CAMERA + SOFT RESET, or CAMERA+POWER+SOFTRESET etc.) but when i try, it boots normally. Also there is no SD card in it. As i said everything works fine. I tried to upgrade its ROM but i got CONNECTION error in %0 of progress. I know to upgrade ROM i must enter bootloader but as i said i cannot. Also i can try to upgrade ROM via SD card but again i have to enter bootloader mode, but as i said i cannot.
When i try to enter bootloader mode it boots normally and begins the system and works everything fine. I dont know its history, i mean its my new second hand phone.
Anyone, any idea? Please help me!!!!.
Same problem here - 155 views and no answers
Phone turned off. Hold down camera button, press power button to boot, while still holding camera button until the bootloader appears...
If you can't get your device into bootloader and you have tried all options, which it seems like you did. Consider the fact that you may have a clone, where did you purchase the phone from? This issue has been mentioned before, and that was the answer to why the bootloader wouldn't load.
Easy way to tell is check the battery, it'll say HTG instead of HTC.
Tried that matey - no good.
You see I thought that mine was a clone due to the trouble getting into bootloader, but I can see no other reason to believe its a clone, Battery says HTC as well.
I have had plenty of experience updating roms on htc devices but this has me stumped.
unfortunately it is a HTG battery, then it is a clone When i try the combinations, (power off then push power buton+camera button) it doesn't enter bootloader mode.Now i knoe that the problem is being a clone.
My next question is, what is the way to enter bootloader in clone HTC (HTC with a HTG battery)?????
Thanks
same problem. please help
crypto 2008 , same problem here.nobody knows how to do this. please help
It's the same problem for all clones.
Seems there is no way to enter the bootloader mode
Clones enter bootloader by holding the volume slider UP and pressing reset. If you hold the volume slider up and hold the camera button and hit reset you can hard reset it.

[Q] Problem with flashing nexus 7

Hello everyone,
I found a nexus 7 on a second hand website for 20 euro's.
In the tekst he sayd that the nexus dos'nt boot up after upgrading the firmware update.
So i thought its possible to try to fix it.
If i start the nexus 7 i get the google screen with in the right top the tekst start.
if i push the power button the nexus restarts and shows the same screen again.
I can swith between start, reboot bootloader, recovery mode ecs. but all dos'nt work if i push the power button.
When i try to start the bootloader that works fine but when i try to unlock it, i get the screen with the security warning and i can select yes to unlock it or no.
But when i again push the power button it reboots and nothing happens, the nexus is'nt unlock.
Is there a another way to do this or is it ready to trow in the garbige?
Is there maybe a acript that automticly push yes in the unlock bootloader screen?
Sorry for my bad english.
Best regards.
ghghghg said:
Hello everyone,
I found a nexus 7 on a second hand website for 20 euro's.
In the tekst he sayd that the nexus dos'nt boot up after upgrading the firmware update.
So i thought its possible to try to fix it.
If i start the nexus 7 i get the google screen with in the right top the tekst start.
if i push the power button the nexus restarts and shows the same screen again.
I can swith between start, reboot bootloader, recovery mode ecs. but all dos'nt work if i push the power button.
When i try to start the bootloader that works fine but when i try to unlock it, i get the screen with the security warning and i can select yes to unlock it or no.
But when i again push the power button it reboots and nothing happens, the nexus is'nt unlock.
Is there a another way to do this or is it ready to trow in the garbige?
Is there maybe a acript that automticly push yes in the unlock bootloader screen?
Sorry for my bad english.
Best regards.
Click to expand...
Click to collapse
Cf Autoroot automatically unlocks the bootloader if it is locked: http://download.chainfire.eu/295/CF-Root/CF-Auto-Root/CF-Auto-Root-grouper-nakasi-nexus7.zip
worth the try. Try to flash the latest factory image after that
I tryed that one, but if i run it i get the unlock bootloader screen where i must select yes or no to unlock, but there i get stuck because if i push the power button to enter he reboots and i get that screen again.
Is there no solution to enter "Yes" in de unlock bootloader screen without using the power button or is there a script / program that auto write / flash the nexus 7, because i can't still flash that damn thing.
Asus must use another program to bring back the ship that is in the nexus, is there no thread or something that handles that problem without sending it to repair it.

Michael Kors access Grayson / bootloader mode

Hi,
I would like to enter bootloader/recovery mode VIA button presses.
I am hoping that someone knows the proper keypresses to access.
Thanks.

Broken Screen, Developer options disabled, bootloader not unlocked, any chance for data recovery?

Phone was dropped, black screen nothing to see. The phone however works. I can boot into recovery and even start adb sideload. When doing so, it shows up on my PC with adb devices. However, that is as far as I can go.
The device has a sim and pin lock, obviously I know both code. Is there any chance to recover data (contacts and images) from the phone. Grateful for any hint or a solid idea. There are plenty of posts on the web telling I should connect via adb and unlock the phone but when connecting in recovery mode it does not show up on adb devices or fastboot as the developer-mode was never enabled.
I did also try commercial software (i.e. dr.phone) but the phone doesn't show up their either.
I've the same problem. Did you were able to recover the data?
No, I ended up having the phone repaired in one of the repair shops. I was able to recover all data. Now I use the phone as a backup and for programming and experiments....
How to use your broken smartphone from a PC | nextpit
Has your phone screen cracked, leaving you unable to access your data? All is not lost! We'll show you various solutions on how to recover your data!
www.nextpit.com
This site shows the option to connect A40, if still Android 9.0, via usb hub to external screen and mouse and unlock. For Android >10 this doesn't work anymore
I have the same issue and neither usb-debugging on nor fastboot enabled. A40 doesn't show up in adb. So I also read when putting A40 via Power and Volume up into download/recovery mode, at least a backup of data should work.
My current idea is I have to replace display in repair shop or unlock via usb-hub + mouse.
Something I don't get right. How do you power off the A40 without screen to get safely the SIM card out? Power and volume down 7 sec, then release power off, then volume down? When I do this the A40 reboots with vibration. Power and volume up apparently reboots to recovery mode. Long pressing Power also doesn't turn off A40. Also in the A40 manual nothing is written on this

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