Teclast x98 c2e3 bootloop. - Teclast X98 Air 3G

Hii. I bought teclast x98 plus 2 (c2e3 android only) and everything was perfect. And now after 1 week
It stouck in bootloop. Insee boot animition. And it power on anf off. 24 hours.. no way to power it on. I want to make reset. But there is no botton for reset...
I can hold down the power button and volume down to get to the recovery selector but my power button is unresponsive to select anything. It works to power off and on the tablet though. My options are recovery selector , bios and fast boot dnx....
What can i doooooo?

Related

[Q] razr i bricked/locked, stuck at intel inside logo

please help, i wanted to boot into cwm recovery and maybe i pressed the power button and/or volume down button too long or too short (don't know). the phone started to boot normal with the moto logo and when get stuck at the intel inside logo. that's it.
all the buttons have no more reaction when pressed, no led glowing. no button work -> no possibilty to shut down the phone.
any idea?
edit: problem solved. pressing powerbutton and volume+/- at last gave a vibration and releasing the buttons resulted in normal boot.

Key combination for when things go bad

Press menu + vol down + power.
Hold down all three buttons until the tablet reboots and the screen momentarily goes off, then after about one second the Samsung and Android logos appear in white.
Now we are at the point where the tablet screen has just gone dark. You have less than one second to:
1) If you release the power button now, the tablet simply reboots.
2) If you keep holding the buttons the tablet enters Download mode.
3) If you very quickly, VERY quickly, press VOL UP, while still holding down the power + menu, the tablet enters the recovery.
I have not found a way to switch it off other than entering recovery and then selecting reboot/power off.
Hard reset only is actually just hold POWER + VOL DOWN

The worst kind of brick.

Hello.
I have managed to brick my I8190N, by installing TWRP through this app https://play.google.com/store/apps/details?id=com.jmz.soft.twrpmanager&hl=en
I can't access recovery, download mode, and I cant even get the phone to boot. When I hold down the power button, it displays the S3 Mini logo for a few seconds and then blacks out. After that, it wont show anything on the display even when I hold down the power button. But when I pull the battery and reinsert it, I can turn it on again for a few seconds.
The problem started with me installing Virginity V14 over CM 5.1.1 Then i couldn't get it to recovery mode anymore so I thought i'd reinstall recovery through TWRP MANAGER app from google play store. After that the phone went bricked. Also, my Home button and back button are not working, because the flex cable is broken. I used virtual buttons to emulate these. Now I've hears that you could get to download mode when holding vol dn + home+ power although i've gotten there with vol dn + power buttons before. So I would like to know shall I order new buttons from ebay, or what else are my possibilities of getting the phone working again.
ty in advance.
Fix the buttons!!
Fix the buttons dude!!

Error recovery / brick in Central Multimidia Android MTCB MX RK3188 1024x600 - WITSON

Hello everybody,
I need your help to recover the headunit Yesterday I tried to update an android ROM 5.1 rk3188 with the MCU MTCB_MX_2.82 but at the time of the update, after the installation of the files, the control panel restarted and the screen went black and did not want to connect anymore. I waited about 35 minutes with the car on to wait for the central to boot, but nothing happened.
After that I tried several times to enter the recovery mode, but I can not do it at all.
I tried: Press the power button, turn on the power, wait 4 seconds, release the button and quickly turn off the power button. Did not work.
I tried: Press the power button for 15 seconds to restart, I released the power button, after the lights blinked, I pressed the power button for 3 seconds and released. Did not work.
I tried: Press the power button and reset button for 15 seconds to restart. Did not work
Now when I turn on the car, the headuit turns on the button lights but the screen does not turn on and I can not enter the recovery mode. What can I do to solve ????
up
Try holding the back button until the lights start flashing, right after the 4th and final flash let go then quickly press and release the button again
Hope it works Good Luck !

[SM-T510/T515] 2019 Galaxy Tab A 10.1 Hard Resets

Here's a quick reference for how to reboot and reset your 2019 Galaxy Tab A 10.1 (SM-T510/T515) using the hardware buttons:
Force restart:
- If your device is frozen and unresponsive, press and hold the Volume Down + Power keys simultaneously for more than 7 seconds to restart it.
Boot to Recovery Mode:
- Power off the device
- Press and hold the Volume Up + Power keys at the same time.
- Release both keys when you see Recovery Mode.
Boot to Download Mode:
- Disconnect the USB cable
- Power off the device
- Press and hold the Volume Down + Volume Up keys
- Insert the USB cable
Boot to Safe Mode:
- Power off the device
- Press and hold the Power key.
- When the boot logo appears, release the Power key and then press and hold the Volume Down key.
- Continue to hold the Volume Down key until the device finishes restarting.
- Safe Mode will display in the bottom left corner of the screen.
Since there is no Bixby button, these combinations are different than the Galaxy S10. If you know of additional combinations, please contribute to the discussion below and I'll consolidate here.
If there’s no response on your device or you're stuck in a boot loop, then you might need to wait for the battery to drain. The 2019 Galaxy Tab A 10.1 has a non-removable battery pack, so disconnecting that isn't an option. Hopefully, the system reverts to its normal function with a cold boot. This can take time if the battery has high charge left at time of failure. Depending on how fast your battery drains, this can mean waiting for a few hours to several days.
UPDATE: With the right timing, you can break out of a boot loop into Download Mode...but it's tricky:
Insert USB Type C cable connected to your PC
Press and hold the Power and Volume Down keys for exactly 7 seconds (hard reset)
Release the Power key and press and hold both Volume Up & Down keys (enter Download Mode)
If you don't see the blue bootloader unlock warning screen, keep repeating the above two steps
The trick here is that you're trying to time your switch to the Download Mode keys for the exact moment the hard reset takes effect. If you see the boot logo while still holding the first key combination, it's too late. If you switch too early, you won't trigger the hard reset.
I've had to hold down both volume up and volume down while plugging in usb to get the unlock screen to populate. Canadian Wifi variant.
Jambii1987 said:
I've had to hold down both volume up and volume down while plugging in usb to get the unlock screen to populate. Canadian Wifi variant.
Click to expand...
Click to collapse
Thanks, that was an error in my initial post. I was figuring these out by trial and error, but it turns out that our hard resets are basically the same as for the Galaxy M30, which also uses the Exynos 7904 SoC and has no Bixby key.
https://www.hardreset.info/devices/samsung/samsung-galaxy-m30/download-mode/
UPDATE: Also the same as for the Galaxy A30 and some others.
https://www.hardreset.info/devices/samsung/samsung-galaxy-a30/download-mode/
Jambii1987 said:
I've had to hold down both volume up and volume down while plugging in usb to get the unlock screen to populate. Canadian Wifi variant.
Click to expand...
Click to collapse
Yes, I did the same way
US version
1. Enable OEM Unlock
2. Turn the tablet off and unplug the cable
3. Press and hold both volume up and volume down buttons and plug USB cable to host computer
4. You will get wipe screen. Long press volume up to unlock the bootloader.
Now I have to find matching ROM and patch the boot.img and flash.
I believe you have to disable Vault Keeper to keep root intact.
Brand new out the box 11am this morning.
Opened the parcel cool no damage. Powered up fine, had a mess with it, no problems check the speakers were fine and no issues plugged it on charge to 100% took it off and left it for an hour or so, went back to it and physically used it to use Facebook and play candy crush cool no problems. Took a few photos and no problems again. Put it on the side still on near 90% and went back to it 30 minutes later completely off and won’t turn back on, tried charging it nothing no sign of life, tried rebooting it and still nothing. Please tell me that this is not the end and I need to get a replacement... ?*
christina98 said:
Opened the parcel cool no damage. Powered up fine, had a mess with it, no problems check the speakers were fine and no issues plugged it on charge to 100% took it off and left it for an hour or so, went back to it and physically used it to use Facebook and play candy crush cool no problems. Took a few photos and no problems again. Put it on the side still on near 90% and went back to it 30 minutes later completely off and won’t turn back on, tried charging it nothing no sign of life, tried rebooting it and still nothing. Please tell me that this is not the end and I need to get a replacement... ?*
Click to expand...
Click to collapse
Have you tried getting into download mode? Or recovery for that matter.
Triscuit said:
Have you tried getting into download mode? Or recovery for that matter.
Click to expand...
Click to collapse
I’ve not even been able to get it back on, I’ve attemp a reboot countless of times and still nothing rectifys it. I spoke with Samsung they feel it’s a major fault with the tablet and have told me to request a replacement from my provider or even a refund.
Forgot pattern password, unable to power 510 Tab A off since pattern password is required. How to wipe tab or reset to factory without powering off?
Magendanz said:
If there’s no response on your device or you're stuck in a boot loop, then you might need to wait for the battery to drain. The 2019 Galaxy Tab A 10.1 has a non-removable battery pack, so disconnecting that isn't an option. Hopefully, the system reverts to its normal function with a cold boot. This can take time if the battery has high charge left at time of failure. Depending on how fast your battery drains, this can mean waiting for a few hours to several days.
UPDATE: With the right timing, you can break out of a boot loop into Download Mode...but it's tricky:
Insert USB Type C cable connected to your PC
Press and hold the Power and Volume Down keys for exactly 7 seconds (hard reset)
Release the Power key and press and hold both Volume Up & Down keys (enter Download Mode)
If you don't see the blue bootloader unlock warning screen, keep repeating the above two steps
The trick here is that you're trying to time your switch to the Download Mode keys for the exact moment the hard reset takes effect. If you see the boot logo while still holding the first key combination, it's too late. If you switch too early, you won't trigger the hard reset.
Click to expand...
Click to collapse
Ay, thanks i finally got it into download mode, it gave an error at the top left like kernel rev check fail or smth, it was boot looping and with this trick i got it into the bootloader imma flash stock again, THANKS AGAIN!

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