Trio stealth mst8-21 tablet - Upgrading, Modifying and Unlocking

Got a MACH SPEED TRIO STEALTH MST8-21 TABLET that keeps getting stuck on the "9A DUAL CORE" screen during boot up. Can anyone help me out with a firmware update?

deteufel said:
Got a MACH SPEED TRIO STEALTH MST8-21 TABLET that keeps getting stuck on the "9A DUAL CORE" screen during boot up. Can anyone help me out with a firmware update?
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I have a friend with the same issue. Wiped the data, cache, and Dalvik through the stock recovery and that did not solve the problem. Were you able to figure something out?
-wardawgmalvicious
Rooted N5/N7 2nd Gen
MultiROM TWRP
Franco Kernel
Stock 4.4.2 infused with GB
Ubuntu Touch r206
-Sent using Tapatalk

Related

G PRO F240L stuck in recovery mode after factory reset

Hi there,
I have a problem with my G PRO F240L...
I have perform a factory reset from android settings in order to sell my G PRO, and after the factory reset and the automatic reboot, device boots in recovery mode (CWM), i tried to turn off and boot again or to use the advanced menu to "reboot device", still go directly into CWM after the LG logo shows off.
If it's help, i followed this tuto to root + install CWM on my device : http://www.technostall.com/lg-optimus-g-pro-f240-root-and-install-custom-recovery-image/#
Thank your for you help
polux400 said:
Hi there,
I have a problem with my G PRO F240L...
I have perform a factory reset from android settings in order to sell my G PRO, and after the factory reset and the automatic reboot, device boots in recovery mode (CWM), i tried to turn off and boot again or to use the advanced menu to "reboot device", still go directly into CWM after the LG logo shows off.
If it's help, i followed this tuto to root + install CWM on my device : http://www.technostall.com/lg-optimus-g-pro-f240-root-and-install-custom-recovery-image/#
Thank your for you help
Click to expand...
Click to collapse
OK, my problem was Windows 8.1... The phone is well recognized by LG Tool under W7, but now I have another major problem, at the last step, when the tool begins to flash the rom, it goes until 5% and then this popup box blocks the flash "battery level is low and upgrade is unavailable"
I have reload fully my battery (I plugged it into the G PRO dock)... still the same message.
Any help please ?
Did you manage to resolve the issue? I am just having the very same problem and a bit lost and cannot risk flashing anything right now.
polux400 said:
OK, my problem was Windows 8.1... The phone is well recognized by LG Tool under W7, but now I have another major problem, at the last step, when the tool begins to flash the rom, it goes until 5% and then this popup box blocks the flash "battery level is low and upgrade is unavailable"
I have reload fully my battery (I plugged it into the G PRO dock)... still the same message.
Any help please ?
Click to expand...
Click to collapse
Have you rooted your device with cwm or twrp??
Sent from my LG-E988 using Tapatalk HD
conradwu said:
Did you manage to resolve the issue? I am just having the very same problem and a bit lost and cannot risk flashing anything right now.
Click to expand...
Click to collapse
Hello. sorry for the delay of answer !
I managed to resolve my problem with the shelp of the member shellnut2, developer of freegee OG Pro Edition I used to root and install cwm at the first time on my G PRO.
You can find how I did that reading these topics :
http://forum.xda-developers.com/showpost.php?p=48136185&postcount=268&nocache=1&z=3099481871415190
http://forum.xda-developers.com/showthread.php?p=48435445
I hope it will help you !!
ps : I have now sold my G Pro and bought a Note 3. Much better device.
Pleaseee help me!!!!!!
Hello, I would appreciate your help because I flinched and my tel ugly now this only in the LG logo screen. I wanted to update my original rom Phone factory and downloaded the latest version before upgrading but I did not wipe data and When there finished the process gave an LG IMS error stopped working this type, and there Could not get into hard reset on the way, OK up here but then I Decided to reinstall the rom again to see if it would correct the error and then I installed the previous version I had downloaded it and my phone is so in the logo screen. If I try to instal the updated rom, would be more risk? And I wonder if I can not like the ace debugging would access via adb and make wipe data factory reset only by simple USB connection? I can not I do the code by turning the volume down and holding power button goes not into hard reset the screen goes black and comes back on the LG logo... Pleaseeeeee help meee!!!!!!
excuse meI, DonĀ“t speak english, I am brazilian...
My phone is a LG G PRO F240L with ROM V9 Feiyu Upgrade for Rom stock V10Z Korea!!
help me
I have also same logo problem on my lg f240l.have u find any thing to solve it
Check my messages below. I gave my solution and 2 links which helped me.
do not use factory reset from android settings/
Flash this file to fix.

Ace 2x hard bricked

I have a ace 2x i used this metod: http://forum.xda-developers.com/showthread.php?t=2483143 to port a ace 2 rom to ace 2x.
First what i did whas making a nandroid backup,then in twrp 7.0 i go to wipe advanced and slected cache system dalvik and data.
It give me a failed error, then i restored my nandroid backup it give me no errors and i rebooted then i only see galaxy trend screen and then it turns of. I can't enter recovery or download mode, is there anyway to fix?
Im on cm11 last build of jonypx09.
other thing is i don't have a triangle so if no one can (help me ) fix it i revert it back to samsung.
Sorry for my bad english
IjazCI said:
Hi
I encountered the same situation in my s duos, while i tried to port asop. Even Usb jig failed to put the phone to download mode.
Samsung service center replaced my board as there is no yellow triangle. You can do the same.
Click to expand...
Click to collapse
Thanks but i already bring it to samsung service center.
But again thanks for reply.
Didn't they specifically say that the method gives bootloops so often?

Hard bricked Tablet LG G Pad v410 7.0

Bricked my LG Gpad 7.0 pretty badly. Here are the steps I did
First I found the KDZ for a test version for the LGV410, worked but when I tried using Cygenmod root and recovery, the boot screen became washed out. Once the tablet booted up, the screen was okay, but the washed out boot screen was bugging me.
Next I went into fastboot mode and erased EVERYTHING.
Now I couldn't get anything to work, every time I tried flashing an .img via ubuntu, it would just reset.
Last, oops, I formatted the EMMC ya ya I know dumb.
Anyways, got my hands on the LG Smart Boot Diagnosis Tool, this appears to work, only if I had the correct rom, which by the way also is the same AP Chip ROM for the LG G Pad 10.1 (MSM8226 Snapdragon Qualcomm 400 Chipset)
So my question is, does anybody know how I can get this or do they have themselves. The directory structure looks like this:
View attachment 3518793
Help?

Phone bootloop? F240S

So I just tried to flash a custom rom on my g pro f240s using a cwm recovery and used blisspop 1.3 and 1.4 since none else worked.
Now the phone turns on and starts spinning around on the blisspop thing forever and doesnt acually boot up and I can't find any other rom that works on it im kind of a noob at this custom rom thing but I know what I'm doing so if someone could help me that would be appreciated.

Encrypt tablet

Hi and sorry for bringing this old thread to life. I'm wondering has anyone managed to encrypt their 10.0 tablet using the internal system? I'm on latest original LTE firmware. Currently tried to do it and waited more than 12 hours. It's still stuck on boot logo.

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