Stock + Root - Lenovo A390T - Upgrading, Modifying and Unlocking

TLDR: Need a stock image, root and custom recovery for the Lenovo A390T
Hi All,
So my Chinese friend brought me her mothers phone to try and fix. As far as I can gather, she tried to update, got impatient and rebooted it. It just permanently hangs on an "Updating..." screen. First thing I tried was getting into fastboot, I managed to get in and it said "Fastboot Mode" in the top left corner. My PC doesn't recognise the phone as connected (even though if I turn it on normally it does recognise ADB - ruling out any issues with drivers or my hardware I think?)
I also tried to boot into recovery. I get the little droid with the exclamation mark, but that's it. If I press the power button I see the menu for maybe a second as it thinks I have clicked on the first option (Reboot) - the up and down buttons do nothing (pressing or holding) so literally the only button I can press is power, which just reboots the damn thing.
The good news is I did manage to boot Android into safe mode, then tried a factory reset from there. It booted back up without a home screen app but everything else seemed okay. I could get into settings from the notification menu by pulling the top bar down, but otherwise it was just black with a top bar.
I downloaded an APK for Nova and installed that through ADB, and we're golden on the actual phone working again. What I would like to do is install a custom recovery in case it ever happens again, so I can easily recover the OS - and get a stock image. I did find this for root, but it doesn't seem to work (Framaroot says there are no exploits available) http://forum.xda-developers.com/showpost.php?p=50774585&postcount=7
So I need to root, install a custom recovery, and then get a clean stock image back on the device, any ideas?

Related

[Q] Alternative methods of accessing Recovery?

My Xperia Play has had a few problems out of the box, mainly that when I switch it on there is no boot animation, just a black screen. This means I can't access Recovery through the normal method of holding down on the volume or the back button etc. I've installed CWM through the CWM Xperia installer so I know it's there. I also ran the Auto-Magic Nandroid through that app, which caused my screen to go black (as it does whenever I choose to reboot through an app). When I looked on my SD card though there is now a Nandroid folder, so it's probable that the device does go into Recovery; I just can't see it.
So my question is this; is there any other way of getting my phone into Recovery so I can install some sweet, delicious custom ROMs? Maybe through ADB or similar? Or is it possible to install a ROM via another method?
Any help at all would be appreciated!!
If it wasn't working right right out of the box, I would have sent it back.
Can't you boot into recovery from the CWM-installer app?
Solar.Plexus said:
If it wasn't working right right out of the box, I would have sent it back.
Can't you boot into recovery from the CWM-installer app?
Click to expand...
Click to collapse
Sadly that wasn't an option, it was the only one they had and I wasn't about to send it back for another type of phone, I've wanted this thing for ages
I've just clicked that option in the app and it's just rebooted the phone normally.
Trism said:
Sadly that wasn't an option, it was the only one they had and I wasn't about to send it back for another type of phone, I've wanted this thing for ages
I've just clicked that option in the app and it's just rebooted the phone normally.
Click to expand...
Click to collapse
Turn on the phone, and when you see the notification light turn blue, press volume down for the locked bootloader cwm, or the back button for the one in DooMKernel.
Sent from a Galaxy far, far away
I've not yet tried installing DooMKernel, I'm worried that if I can't get into the normal recovery in won't be able to get into that one, then I'll be stuck with a boot looping phone.
Pressing down on volume on the blue led comes on doesn't seem to do much, simply stops the boot process from completing fully. I left the phone for 5 mins and got nothing. Pressing the power button again started the boot process again and it loaded up normally (minus any animations of ciurse)
It seems like stuff is happening, but I just can't see it. I doubt this is a hardware fault as the screen works perfectly all other times, so what the heck could it be!?
The recovery in DooMKernel is already built in, so it's different than using the Xperia CWM installer. By the way, the back button will get you into DooMKernel's recovery.
I'll give it a try and see what happens. Thanks for the advice guys!

Possibly bricked HTC One M8

Ok,
Was installing the viper rom on my M8, and for some reason, now my phone is stuck in a boot loop. Obviously the install went pear shaped. But now I cant even boot the phone into recovery mode.
Boot sequence now is: Google lettering appears on screen, followed by green android with the blue spinning shape in its chest, then the green android with the red triangle and black exclamation mark appears and the whole thing loops again.
When plugged into the PC its not recognized so I cant use adb to boot into recovery or try load another rom/wipe cache etc.
I've tried all combinations of power button & volume up/down to break the boot sequence, no joy.
Any ideas how to resolve, or do I have a very expensive paper-weight?
Cheers,
sombaht
Rest assured, if the screen comes on, the phone isn't bricked.
Red triangle with exclamation point is stock recovery.
What was your exact sequence, in detail? From bootloader unlock, install custom recovery, etc.
Was the phone on Lollipop when you unlocked the bootloader?
To reboot into bootloader (not recovery, there is no button sequence to boot directly into recovery on this device):
1) Hold power and vol up for several seconds to force a reboot
2) The moment the screen goes black to reboot, let go of the buttons, and only hold vol down
3) Don't let go of vol down until you are on the bootloader screen
4) Failure to get into bootloader is virtually always user error. You either started pressing vol down too late, or let go of it too early. Just repeat until you get it right.
But from there, as mentioned it sounds like you are on stock recovery. You will probably need to flash TWRP again via fastboot in order to do much more.
Did you flash a custom recovery before you flashed the rom?? Can you boot in the bootloader mode (turn of Device completely- turn on again and hold volume down all the time.. then you should be in the bootloader)?
And your phone is not really bricked
Edit: damn to slow should not write on the phone
sombaht said:
Ok,
Was installing the viper rom on my M8, and for some reason, now my phone is stuck in a boot loop. Obviously the install went pear shaped. But now I cant even boot the phone into recovery mode.
Boot sequence now is: Google lettering appears on screen, followed by green android with the blue spinning shape in its chest, then the green android with the red triangle and black exclamation mark appears and the whole thing loops again.
When plugged into the PC its not recognized so I cant use adb to boot into recovery or try load another rom/wipe cache etc.
I've tried all combinations of power button & volume up/down to break the boot sequence, no joy.
Any ideas how to resolve, or do I have a very expensive paper-weight?
Cheers,
sombaht
Click to expand...
Click to collapse
My friend, did you flash it using stock recovery or custom recovery? if you did flash it using stock recovery you will meet this kind of problems. I suggest you try power button and down if im not mistaken and go to hboot and fastboot usb and connect to adb, type fastboot devices in cmd if it detects your device then you can flash TWRP , find any kind of custom rom for M8 and flash it. I also assume your bootloader is unlocked and driver is installed in your PC.
Problem solved. Redpoint73's key press combination worked!
Cheers,
sombaht

No ROM, can't access bootloader, stuck in bootloop

Hey guys,
Ok, this is a tough one for you. I'm actually not 100% convinced that my phone isn't hard bricked. But every where I look for, it says, it's only hard bricked if your phone wont turn on at all and that's just not true in my case. So here's the story:
My volume-up button is kind of screwed, I don't know, what happened to it, but one day, it just started being triggered randomly until it just didn't work at all anymore. It wasn't that big of a problem, since I was still able to change the volume by hitting the volume-down button once and changing the volume by the on screen slider. I was running SkyDragon GPE V5.5 for quite a while now.
But now I wanted to upgrade to Android 6.0, so I downloaded the firmware from here. Next I rebooted to bootloader switched to fastboot and used "sudo fastboot oem rebootRUU" and "sudo fastboot flash zip firmware.zip" twice. So far so good, everything went fine and I actually even am able to see the new Google splashscreen.
So now I want to flash this ROM. But, for some reason, the touchscreen doesn't work anymore, even though it's activated in the CWM Philz Touch GUI settings enabled. Alright, so I "wipe to install a new ROM" and navigate to the zip file to install it and it starts the aroma installer, which I can't control since the touchscreen doesn't work. So, I'm kind of frustrated by now, I flash TWRP, because, maybe here, the touchscreen works. I flash it and try to reboot into it. But it doesn't work, it just stays at the Google splashscreen, I can restart by holding down the power button but it will just go back to the Google splashscreen. After a couple of tries I actually get it to turn off, so I hold down power and volume down to get into the bootloader but it just goes back to the splashscreen.
I can't get to the bootloader, I don't have a ROM installed and I can't get into the recovery. Is there anything I can still do or is everything lost?
Which TWRP version ? You need to use 2.8.7.0
You can't get to bootloader because of the timing when pressing power & volume down button.
If you can turn it off, press and hold volume down button then press power button until it vibrates then release the power button.

No hardware buttons work!!

Hi
Could some one tell me why i cant get in recovery or factory mode with hardware buttons, i am on stock 10d with twrp recovery installed and rooted wirh super su through twrp. I installed twrp through adb with normal command and device works just fine through reboot apps from os, boots in recovery,fastboot etc just fine,same through adb commands.
But there's no hardware combo or anyrhing working when trying to enter recovery or factory reset working at all?
Tryied every combo i could find saying how to from internet.
It just boot up in os as usual.
And phone dosen't reset while holding power button for 10s + either
It's a bit scary because bootloop is going to come eventually for sure and then there's no rescuing avalible
Could someone plz tell me whats going on?
Im new to g4 so, some help would be nice.
Thanks in advace
It's a bit tricky, to be honest.
• Power off your phone
• Hold "Volume-Down" and keep your "Power-Button" pressed. So you should keep both pressed, until the 1st LG logo appears
• Now just leave the "Power-Button" for ~1 second whilst kept the "Volume-Down" button still pressed, press now the "Power-Button" again and keep holding it
You're now forced to deal with the standard-ui from LG. Go to "Yes" and again "Yes". TWRP now boots and you should be fine .
Edit: Just my tiny story... I watched several videos and also had a nasty bootloop. I was afraid, I now bricked my phone. But a nice user showed me this way and this was the only way, I got my phone recovered.

Sprint G3 (LS990) Bootloop

Trying to recover files for a friend who doesn't understand the meaning of the word "backup." Phone bootloops, but I can get into download mode fine, and I can get LG Flash Tool to recognize it. (I think; it's hard to be certain without actually doing the wipe, but I went through all the insructions to setup COM41 and everything looks good so far).
I'm used to working with Samsung phones, and I know my way around TWRP and adb, but I can't find a way to get TWRP on this... the only methods I see involve either sideloading an apk or pushing an image file, neither of which is an option right now.
I can't get into recovery mode at all; if I pull the battery, then put it back in, hold POWER + VOL DOWN, release when I see the LG logo, press them both immediately again (also tried just letting go of power and then pressing it again), it tries to boot normally and eventually bootloops.
Is there anything left to try? Any sort of non-destructive way to reflash the OS? Any way to load TWRP from download mode?

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