Enter recovery on 20B? - G4 Q&A, Help & Troubleshooting

Hi, I'm having a major problem getting into recovery via the power-on+vol-down key combination on MM (20A/20B) - under no circumstances can I get into recovery from cold boot - I can reboot into TWRP recovery when the phone's booted, but recently I've had a couple of bootloops which never enter the OS and so I'm stuffed - both times all I could do is use LGUP to reflash 20B kdz and then re-root etc etc. I'm assuming under MM the key sequence has changed, or is it because I have an unlocked bootloader the sequence is different? I've owned a G2 and G3 and know the "normal" sequence of hold power+vol-down, wait for the LG logo and release then power+vol-down again, but this doesn't seem to work on a Marshmallow G4 (I've tried 100 times with different wait periods on the release etc)....
Its a real PITA not being able to cold boot into TWRP/recovery so can someone advise what the sequence now is (and PLEASE don't reply to tell me its "hold power+vol-down, wait for the LG logo and release then power+vol-down again"!).
Thanks!

I have the same issue and I had been running into same situation to entirely reflash my phone in order to get it boot again. The key combination never worked for me while on 20B; really frustrating if you run into whatever problems requiring to recover through TWRP and not being able to do so.

key combination working me....
If not
adb reboot recovery
Or if phone rooted.
Play store rebooter app

russtyd said:
I've owned a G2 and G3 and know the "normal" sequence of hold power+vol-down, wait for the LG logo and release then power+vol-down again
Click to expand...
Click to collapse
And it never came to your mind, that maybe the entry to recovery might be different to an LG G3 or G2?
The way to enter recovery is:
Hold Vol- and Power until LG Logo appears
Release ONLY Power button for 1 sec
Then press it again and hold it
Recovery entered
I guess google can save lifes And nerves!!!!
Cheers bro
EDIT: Btw this has nothing to do with Marshmallow, Lollipop etc. It's the usual way to enter recovery on a G4 And I didn't read the OP entirely. It seems like you just had the wrong sequence. This one works for me on Masrhmallow 20B!

Follow_and_Feel said:
And it never came to your mind, that maybe the entry to recovery might be different to an LG G3 or G2?
I guess google can save lifes And nerves!!!!
Click to expand...
Click to collapse
Thanks... It did occur to me it might be different (which in the end is why I posted here!)... and I had googled, and the sequence is so stupidly close to the G2/G3 sequence its easy to see now the error of my ways (why the h*ll did LG have to change one key in the sequence)!
Thanks for the quick response Bro

russtyd said:
Thanks... It did occur to me it might be different (which in the end is why I posted here!)... and I had googled, and the sequence is so stupidly close to the G2/G3 sequence its easy to see now the error of my ways (why the h*ll did LG have to change one key in the sequence)!
Thanks for the quick response Bro
Click to expand...
Click to collapse
You're very welcome! I have to admit, that it's really stupid to change it slightly from model to model, yeah :laugh:
I had to google it myself and needed several attempts to get it right. But now we both know and we can enter recovery whenever we want :good: Merry Christmas and a happy new year bro

Follow_and_Feel said:
And it never came to your mind, that maybe the entry to recovery might be different to an LG G3 or G2?
The way to enter recovery is:
Hold Vol- and Power until LG Logo appears
Release ONLY Power button for 1 sec
Then press it again and hold it
Recovery entered
I guess google can save lifes And nerves!!!!
Cheers bro
EDIT: Btw this has nothing to do with Marshmallow, Lollipop etc. It's the usual way to enter recovery on a G4 And I didn't read the OP entirely. It seems like you just had the wrong sequence. This one works for me on Masrhmallow 20B!
Click to expand...
Click to collapse
Thanks for your heads-up. Unfortunately if i try this combination a screen appears "Factory data reset" asking "No (Exit)" or "Yes".
Now I would assume if I enter "Yes" it would boot into recovery, but I am not sure whether this will completely wipe my phone.
Can anyone confirm that I´m on the right path here?

GalaxyFan88 said:
Thanks for your heads-up. Unfortunately if i try this combination a screen appears "Factory data reset" asking "No (Exit)" or "Yes".
Now I would assume if I enter "Yes" it would boot into recovery, but I am not sure whether this will completely wipe my phone.
Can anyone confirm that I´m on the right path here?
Click to expand...
Click to collapse
Hold on. There are 2 options. If you installed recovery properly (I bet you did), indeed, clicking on "yes" will boot you into recovery. If you're a monkey, just like I was, and DIDN'T install recovery properly, yes, it will just wipe your data.
But that's the usual way to hardware-button-boot into recovery
How did you install it? There's an easy way to check if everything is set up correctly. Use this app to boot into your recovery from within android.
If it boots you into recovery then everything is set up straight and you can boot into recovery with hardware buttons a 100% by clicking "yes" and "yes" in the "stock" recovery.
EDIT: I know that's an awkward way, but it's the right 1 Cheers

Follow_and_Feel said:
Hold on. There are 2 options. If you installed recovery properly (I bet you did), indeed, clicking on "yes" will boot you into recovery. If you're a monkey, just like I was, and DIDN'T install recovery properly, yes, it will just wipe your data.
But that's the usual way to hardware-button-boot into recovery
How did you install it? There's an easy way to check if everything is set up correctly. Use this app to boot into your recovery from within android.
If it boots you into recovery then everything is set up straight and you can boot into recovery with hardware buttons a 100% by clicking "yes" and "yes" in the "stock" recovery.
EDIT: I know that's an awkward way, but it's the right 1 Cheers
Click to expand...
Click to collapse
It worked! Thank you mate! :good: :highfive:

GalaxyFan88 said:
It worked! Thank you mate! :good: :highfive:
Click to expand...
Click to collapse
You're very welcome :highfive:

Related

[Q] How to enter recovery mode using key combination?

I can use "adb reboot recovery" to enter TWRP 2.7 recovery mode, but I want to use key combination, please tell me how to that.
Hold Power + Vol Down > Wait until LG Logo pops up and release from both buttons > quickly hold Power + Vol Up + Vol Down again
It will pop up with some message about reset to factory settings, but it's all a bluff.
Hit Power x3 times to confirm and you'll get to TWRP recovery
Thanks, it works.
actually I enter this factory reset mode before, but i just don't know it a "fake".
so will this erase all data or not?
Jasiekor said:
so will this erase all data or not?
Click to expand...
Click to collapse
That will depend on whether you've installed TWRP or not.
If you've still got the original recovery it will wipe it like it says it will, if you've got a custom recovery it will take you to it.
The standard recovery isn't a recovery like you're expecting it to be, if just has a way of resetting things to default without allowing you to do anything extra. OEM don't like giving people options but want a way to reset to defaults that the customer can use before needing to return a faulty unit which might not be faulty. If that makes sense.
Pman said:
Hold Power + Vol Down > Wait until LG Logo pops up and release from both buttons > quickly hold Power + Vol Up + Vol Down again
It will pop up with some message about reset to factory settings, but it's all a bluff.
Hit Power x3 times to confirm and you'll get to TWRP recovery
Click to expand...
Click to collapse
Thought I'd lost recovery after flashing the lp rom. Sorry for the bump! Many thanks and lol at the 'bluff' factory reset!
Fullmetal Jun said:
Thought I'd lost recovery after flashing the lp rom. Sorry for the bump! Many thanks and lol at the 'bluff' factory reset!
Click to expand...
Click to collapse
No problems, happy to help
Fullmetal Jun said:
Thought I'd lost recovery after flashing the lp rom. Sorry for the bump! Many thanks and lol at the 'bluff' factory reset!
Click to expand...
Click to collapse
From what I can tell, it's not a "bluff". It seems that the stock recovery partition would just automatically do a factory reset, so it warns you before booting the recovery partition. Seeing as you're non-stock, it just boots into TWRP/CWM. It's a valid warning that's simply set up in a weird way.
i hard rest my lg stylo but when i did it erased all my key comob how did i get them back
crystalgirl20977 said:
i hard rest my lg stylo but when i did it erased all my key comob how did i get them back
Click to expand...
Click to collapse
You don't.
We'll you might be able to but you're going about it the wrong way.
First you need to find the right forum for your device, then you read, followed by more reading.
At some point you've hopefully discovered that you should have done all this reading before you reset your device.
Also before pressing the post button on your next post, read it first to make sure it makes sense.
Thank you very much, I tried other combinations found on some web pages that failed. This one worked!
Issue remains.
Pman said:
Hold Power + Vol Down > Wait until LG Logo pops up and release from both buttons > quickly hold Power + Vol Up + Vol Down again
It will pop up with some message about reset to factory settings, but it's all a bluff.
Hit Power x3 times to confirm and you'll get to TWRP recovery
Click to expand...
Click to collapse
I got myself in a pretty bad situation. I have the stock rom. I am trying to get that back using recovery but it's not working. Only factory reset screen. This tablet stopped working in 2015. It cannot write ANY data ANYWHERE. Can't take pics, Can't take screenshots, Can't download apps. Nothing. I really want my tablet back... :/
CharaGloom said:
I got myself in a pretty bad situation. I have the stock rom. I am trying to get that back using recovery but it's not working. Only factory reset screen. This tablet stopped working in 2015. It cannot write ANY data ANYWHERE. Can't take pics, Can't take screenshots, Can't download apps. Nothing. I really want my tablet back... :/
Click to expand...
Click to collapse
I'm probably not the best person to help, however if you put a new post up with more details on what you have access too, the community will be able to help out.
CharaGloom said:
I got myself in a pretty bad situation. I have the stock rom. I am trying to get that back using recovery but it's not working. Only factory reset screen. This tablet stopped working in 2015. It cannot write ANY data ANYWHERE. Can't take pics, Can't take screenshots, Can't download apps. Nothing. I really want my tablet back... :/
Click to expand...
Click to collapse
Install LG software on your computer first. Then with the tablet completely off, hold VolUp and plug the tablet into the computer. That will enter LG download mode. Use the LG software on your PC to install the latest firmware available for your device. From there you can use the guides on this forum to go custom if you so desire.

[SOLVED] How do I boot into stock recovery?

From a full power off, how do I boot into stock recovery? I've tried multiple button configurations and none work.
EDIT:
I called T-Mobile and they said:
1. Power off
2. Press and hold the Vol - and Power button until the LG boot screen appears.
3. Release the Power button ONLY. Do not release the Vol - button.
4. After 1 second, press and hold the power button again. You should see the white recovery screen.
Use the Vol+/- to navigate and Power to select.
This brought up a Factory data reset menu on my H815.
Brings up factory reset on T-mo version H-811
That is the LG factory recovery.
thank you this worked
With a Verizon model, I had to keep holding both Power and Vol - until the recovery screen appeared. If I released and then re-held Power, as described above, it did not work.
When I hold down power and vol down, it boots to an IMEI display screen. It shows a long barcode. Can't get to recovery with the hold, release and hold down again the power and volume down buttons. Frustrating.
I love you so much right now. It boots into what appears to look like a default LG G4 factory reset page. For me, i clicked reset, and then yes, and surprisingly it brought me to where i wanted to go. TWRP Recovery.
THANK YOU!!!
amd206 said:
I love you so much right now. It boots into what appears to look like a default LG G4 factory reset page. For me, i clicked reset, and then yes, and surprisingly it brought me to where i wanted to go. TWRP Recovery.
Click to expand...
Click to collapse
I love you!
Your comment just saved me from doing a complete factory reset!
I never clicked "Yes" in the Factory Reset phone option because I thought it would do just that. Instead it took me to TWRP!!
gonsa said:
I love you!
Your comment just saved me from doing a complete factory reset!
I never clicked "Yes" in the Factory Reset phone option because I thought it would do just that. Instead it took me to TWRP!!
Click to expand...
Click to collapse
This is funny because It just factory reset my phone.
joesee said:
This is funny because It just factory reset my phone.
Click to expand...
Click to collapse
oh no!
how come it has different outcomes..
sorry to hear that.
Sent from my LG-H815 using Tapatalk
gonsa said:
oh no!
how come it has different outcomes..
sorry to hear that.
Sent from my LG-H815 using Tapatalk
Click to expand...
Click to collapse
The difference was that you have twrp recovery and he didn't. The question pops for both, but for those that have the original recovery it will do the factory reset.
worked
worked for me, but the first screen is the one where it ask if i want to factory reset, i had to pick YES, then again confirm, and then i was in TWRP
gonsa said:
I love you!
Your comment just saved me from doing a complete factory reset!
I never clicked "Yes" in the Factory Reset phone option because I thought it would do just that. Instead it took me to TWRP!!
Click to expand...
Click to collapse
joesee said:
This is funny because It just factory reset my phone.
Click to expand...
Click to collapse
And I get a factory reset as well on my H811, even though TWRP was already installed and working on the recovery partition.
Something else funny going on, the OS seems to kill TWRP after the next one or two boots tho. Maybe I need to set the TWRP option to allow change of the system partition to read/write? (Since apparently it writes something there that prevents the OS from killing the custom recovery after it's been installed)
Exabyter said:
And I get a factory reset as well on my H811, even though TWRP was already installed and working on the recovery partition.
Something else funny going on, the OS seems to kill TWRP after the next one or two boots tho. Maybe I need to set the TWRP option to allow change of the system partition to read/write? (Since apparently it writes something there that prevents the OS from killing the custom recovery after it's been installed)
Click to expand...
Click to collapse
I've learned a lot with LG phones over the past few weeks.
The biggest thing is.. when you first flash over TWRP, you HAVE to reboot into recovery before you try rebooting the system, or else the bootloader will overwrite the TWRP install and replace it with the factory recovery.img. (You probably already know this.) To make sure it boots into TWRP first, since fastboot doesn't have a "reboot-recovery" command.. I just pull the battery then do the button combination to boot directly into TWRP. Doing this allowed me to say "YES" to the question "Do you want to factory reset the phone".
I don't know how many times I've wiped my phone because of this:
1. flash TWRP.
2. reboots (tries to hold the finger combo but failed - and didn't know it)
3. gets asked question - "do you want to factory reset the phone"
4. I hit YES expecting it to take me to TWRP - but instead it wipes the phone and puts stock recovery back on.
Just do this:
1. flash TWRP.
2. PULL THE BATTERY
3. Use finger combo to boot recovery.
4. When asked "do you want to factory reset the phone" - hit YES
5. TWRP boots in like 5 seconds.
This has worked now for my G4 and my V10 since they both have this issue. The V20 however does not (my current phone) - so hopefully LG is done with this crap!!
Good luck!
joesee said:
The biggest thing is.. when you first flash over TWRP, you HAVE to reboot into recovery before you try rebooting the system, or else the bootloader will overwrite the TWRP install and replace it with the factory recovery.img. (You probably already know this.)
Click to expand...
Click to collapse
What was happening on my H811 was that it was either corrupting the recovery partition afterwards or just invalidating it or something because instead of getting back the stock recovery, I'd get the scary "broken robot" screen when trying to boot into recovery.
joesee said:
To make sure it boots into TWRP first, since fastboot doesn't have a "reboot-recovery" command.. I just pull the battery then do the button combination to boot directly into TWRP. Doing this allowed me to say "YES" to the question "Do you want to factory reset the phone".
I don't know how many times I've wiped my phone because of this:
1. flash TWRP.
2. reboots (tries to hold the finger combo but failed - and didn't know it)
3. gets asked question - "do you want to factory reset the phone"
4. I hit YES expecting it to take me to TWRP - but instead it wipes the phone and puts stock recovery back on.
Click to expand...
Click to collapse
The technique I've learned to appreciate (which apparently is a new thing, and is now the suggested method for installing via fastboot according to the twrp.me website) is to load a copy of TWRP into RAM to do the flashing and rebooting. ("fastboot boot [TWRP_IMAGE_NAME]")
I try to avoid battery pulls as much as possible but I have never relied on them on a phone the way I have done over the last week (just had my G4 for about a week now) due to these funky mechanisms that LG has for getting into recovery/bootloader/download mode.
joesee said:
Just do this:
1. flash TWRP.
2. PULL THE BATTERY
3. Use finger combo to boot recovery.
4. When asked "do you want to factory reset the phone" - hit YES
5. TWRP boots in like 5 seconds.
This has worked now for my G4 and my V10 since they both have this issue. The V20 however does not (my current phone) - so hopefully LG is done with this crap!!
Click to expand...
Click to collapse
TBH I am fearful of even trying it now. (Especially since I just read about how a nandroid backup done from TWRP doesn't backup anything on the /data partition, either.. )
Which makes me even more appreciative of LineageOS's "advanced reboot" power button menu. :good:
One of the problems in my view with this LG system is that it can be very difficult to reliably press both the power and volume at the same time on this phone due to it's unusual placement of those buttons. Much harder than on a phone with those buttons on opposite sites of the device. Not to mention this silly "press both these, then release one, then 1s later press that one again" stuff.
And due to the way they designed these sequences, which among other things often have no way to easily escape them (can you imagine having this on a phone with a non-removable battery?? ), but worse, have defaults that progress to another state without any user interaction (because of the limitations of this control logic - eg, if you boot to bootloader but can't escape and don't do anything in 2 minutes, the device automatically reboots), I personally have to wonder if this doesn't make a significant contribution to the infamous bootloop issues that lots of people are having with recent LG's like the G4, G5, V20, etc.
joesee said:
Good luck!
Click to expand...
Click to collapse
Thanks.

Lg g pad v500 return to stock rom or root aosp

Hi guy, i have my LG gpad with aosp 5.1.1 (28/06/15 build) and i nave lost twrp and root...i try to flash twrp with adb but doesn't work ( problem with "waiting devices"). How can simply i return to stock ROM for restart rooting, flash twrp ecc ecc???
I have a mac but if is necessary i find a windows from someone of my friend
Which variant of G Pad 8.3? I assume not the VK810.4G, so is it the V500 or V510? Might want to change your thread title mentioning which variant and also something like "How to return to stock?".
roirraW "edor" ehT said:
Which variant of G Pad 8.3? I assume not the VK810.4G, so is it the V500 or V510? Might want to change your thread title mentioning which variant and also something like "How to return to stock?".
Click to expand...
Click to collapse
yeah!! I have a v500 version...the title is generic but now i don't know how i can change it
But is possible simply rooting the aosp rom without restart from stock rom? Someone make this thing?
Stefano2991 said:
yeah!! I have a v500 version...the title is generic but now i don't know how i can change it
But is possible simply rooting the aosp rom without restart from stock rom? Someone make this thing?
Click to expand...
Click to collapse
To change the title of your thread, edit your first post, choose "Advanced" if it starts you off in Basic editing mode, then the thread title is in a field where you can edit it.
I don't know anything about the V500 although I would think TWRP would still be there somewhere, and have you checked in the Developer Options (tap build # 10 times in a row in Settings / About device / Software) to see if you can enable root there?
roirraW "edor" ehT said:
I don't know anything about the V500 although I would think TWRP would still be there somewhere, and have you checked in the Developer Options (tap build # 10 times in a row in Settings / About device / Software) to see if you can enable root there?
Click to expand...
Click to collapse
After flash the aosp rom i can't enter in twrp and i've lost root permission and in developer option there is nothing to solve this problem... the problem start because i've forgot to flash supersu zip for root access but seem strange have lost twrp too...
LG G Pad 8.3 Factory Reset Mode:
With Device Powered Off And Unplugged
Press and hold Power Button + Volume Down
When the LG logo shows up, release the power button only
Now press and hold the Power and Volume Up button while keeping your hold on the Volume Down button
When the factory reset screen appears, release your hold on all buttons
Follow On Screen Indications
Click to expand...
Click to collapse
Use this code to get to Factory Reset Mode. Attempt to do a factory reset. This will bring you to TWRP. Now flash SuperSU.
edisso10018 said:
Use this code to get to Factory Reset Mode. Attempt to do a factory reset. This will bring you to TWRP. Now flash SuperSU.
Click to expand...
Click to collapse
I have the problem of secure booting error....
That is no problem. It's normal when using a custom bootloader.
Stefano2991 said:
After flash the aosp rom i can't enter in twrp and i've lost root permission and in developer option there is nothing to solve this problem... the problem start because i've forgot to flash supersu zip for root access but seem strange have lost twrp too...
Click to expand...
Click to collapse
READ the OP.... says clearly, after flashing you need to reflash SuperSU to gain root again. To get back into recovery ... hold volume-down AND power, wait for LG logo to appear, release power without releasing volume-down, press volume-up and power without releasing volume-down... hold for a few seconds until screen dimms and release all. Wait for next screen, press power 2x and voila, you're back in business.
cheers
dirlan2001 said:
READ the OP.... says clearly, after flashing you need to reflash SuperSU to gain root again. To get back into recovery ... hold volume-down AND power, wait for LG logo to appear, release power without releasing volume-down, press volume-up and power without releasing volume-down... hold for a few seconds until screen dimms and release all. Wait for next screen, press power 2x and voila, you're back in business.
cheers
Click to expand...
Click to collapse
Yes, i know but i was wont with my motorola defy+ where after flashing the rom flash SuperSu too isn't required...the technique of factory reset like you write doesn't work like i said in the posts before because i have the problem of secure booting error...

LG G4 wont boot in recovery mode

Hi,
I have a bootloop issue (I was using LOS official and it crashed when I answered a call) and when I try booting in recovery mode it just starts normally.
I do the Power + Vol down until I see the LG logo then release both for a short time and hold them again but it starts the LOS bootanimation..
What I am doing wrong ?
Emin3ms said:
Hi,
I have a bootloop issue (I was using LOS official and it crashed when I answered a call) and when I try booting in recovery mode it just starts normally.
I do the Power + Vol down until I see the LG logo then release both for a short time and hold them again but it starts the LOS bootanimation..
What I am doing wrong ?
Click to expand...
Click to collapse
The G4 has a really stupid way of entering the recovery. I couldn't get in for a while too. Try again making sure you are actually pressing the buttons together at the same time. That means having just one click. They have to be clicked down at the exact same time.
Also, the instructions you've seen (first Google result) may not be the best. This is what I do WITH a custom recovery (TWRP).
1. Power off completely
2. Holding power and volume down at the exact same time until the lg logo appears.
3. Continue holding the volume down button but release the power button for a second.
4. Press and hold power and volume down again.
5. When asked if you want to wipe the device, select yes. This won't wipe the device but will take you to TWRP (if you installed it). Otherwise, it wipes the device.
htr5 said:
The G4 has a really stupid way of entering the recovery. I couldn't get in for a while too. Try again making sure you are actually pressing the buttons together at the same time. That means having just one click. They have to be clicked down at the exact same time.
Also, the instructions you've seen (first Google result) may not be the best. This is what I do WITH a custom recovery (TWRP).
1. Power off completely
2. Holding power and volume down at the exact same time until the lg logo appears.
3. Continue holding the volume down button but release the power button for a second.
4. Press and hold power and volume down again.
5. When asked if you want to wipe the device, select yes. This won't wipe the device but will take you to TWRP (if you installed it). Otherwise, it wipes the device.
Click to expand...
Click to collapse
Same Issue here, I was on Genisys opened whatsapp cuause I had a new message and phone rebooted.
after that it just stay on LG logo.
I followed your steps and got to the option of factory reset but after I hit ok with the power button phone just reboots back to the LG logo.
I think mine is the genuine bootloop issue.
htr5 said:
The G4 has a really stupid way of entering the recovery. I couldn't get in for a while too. Try again making sure you are actually pressing the buttons together at the same time. That means having just one click. They have to be clicked down at the exact same time.
Also, the instructions you've seen (first Google result) may not be the best. This is what I do WITH a custom recovery (TWRP).
1. Power off completely
2. Holding power and volume down at the exact same time until the lg logo appears.
3. Continue holding the volume down button but release the power button for a second.
4. Press and hold power and volume down again.
5. When asked if you want to wipe the device, select yes. This won't wipe the device but will take you to TWRP (if you installed it). Otherwise, it wipes the device.
Click to expand...
Click to collapse
Ok after a few tries I managed to do it this way
Hi guys, today I've managed to brick my G4 so it doesnt boot neither to recovery nor fastboot nor download mode. It just loops the LG logo as you can see here https://www.youtube.com/watch?v=9gm0dh6bLp4
Any ideas how to recover?
Thank you
Jirrick said:
Hi guys, today I've managed to brick my G4 so it doesnt boot neither to recovery nor fastboot nor download mode. It just loops the LG logo as you can see here https://www.youtube.com/watch?v=9gm0dh6bLp4
Any ideas how to recover?
Thank you
Click to expand...
Click to collapse
If you don't remember doing anything that might have caused this, then it may be the LG G4 bootloop bug.
I'd put the phone in a zip lock back, in the freezer overnight and then back up all my data as quickly as possible. You're phone may be dead.
htr5 said:
If you don't remember doing anything that might have caused this, then it may be the LG G4 bootloop bug.
I'd put the phone in a zip lock back, in the freezer overnight and then back up all my data as quickly as possible. You're phone may be dead.
Click to expand...
Click to collapse
I'm sure I've bricked it while flashing LOS (regular dirty flash of new weekly like i do nearly every week), this time just went something wrong...
As far as I can tell from some YT videos my reboot pattern is different from regular G4 bootloop
Thx for your replies, I managed to revive my phone after whole day of tinkering. Had to overcome some issues so I've posted the solution: https://forum.xda-developers.com/showpost.php?p=73539738&postcount=1
htr5 said:
The G4 has a really stupid way of entering the recovery. I couldn't get in for a while too. Try again making sure you are actually pressing the buttons together at the same time. That means having just one click. They have to be clicked down at the exact same time.
Also, the instructions you've seen (first Google result) may not be the best. This is what I do WITH a custom recovery (TWRP).
1. Power off completely
2. Holding power and volume down at the exact same time until the lg logo appears.
3. Continue holding the volume down button but release the power button for a second.
4. Press and hold power and volume down again.
5. When asked if you want to wipe the device, select yes. This won't wipe the device but will take you to TWRP (if you installed it). Otherwise, it wipes the device.
Click to expand...
Click to collapse
OH MY GOD. It still doesn't work, I am tired and out of my mind, I tried many many times, Idk what else to do. I will try again and again but I am just becoming more mad instead of fixing the problem. DAMMIT
Eldpool said:
OH MY GOD. It still doesn't work, I am tired and out of my mind, I tried many many times, Idk what else to do. I will try again and again but I am just becoming more mad instead of fixing the problem. DAMMIT
Click to expand...
Click to collapse
Hmm, wait, ok. I did it finally, you just need to press them simultaneously and then when LG logo appears just release the power button for literally 1 second and then press and continue to hold both of buttons. That's it.
Eldpool said:
Hmm, wait, ok. I did it finally, you just need to press them simultaneously and then when LG logo appears just release the power button for literally 1 second and then press and continue to hold both of buttons. That's it.
Click to expand...
Click to collapse
This actually worked!!!!....The 1 Second is crucial in the process, I did it on my first try after reading post
I did the procedure but it went to a page that said clear your phone or not! Just it, and there is no option to clean cache partition or any other

Help!

So, I was on /e/ os, and I wanted to switch to lineageos, so I downloaded the zip, flashed TWRP (as recovery) went into it, flashed los, rebooted, got to boot screen, and right as it was about to go into setup, it turned off. I tried again, same thing, etc etc. I tried to go into fastboot and recovery, nothing. It's stuck at the Recovery mode... loading... then it has purple led at the top. it is the canadian h812 version.
myphoneisweirdlol said:
So, I was on /e/ os, and I wanted to switch to lineageos, so I downloaded the zip, flashed TWRP (as recovery) went into it, flashed los, rebooted, got to boot screen, and right as it was about to go into setup, it turned off. I tried again, same thing, etc etc. I tried to go into fastboot and recovery, nothing. It's stuck at the Recovery mode... loading... then it has purple led at the top. it is the canadian h812 version.
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Click to collapse
please, someone respond
myphoneisweirdlol said:
So, I was on /e/ os, and I wanted to switch to lineageos, so I downloaded the zip, flashed TWRP (as recovery) went into it, flashed los, rebooted, got to boot screen, and right as it was about to go into setup, it turned off. I tried again, same thing, etc etc. I tried to go into fastboot and recovery, nothing. It's stuck at the Recovery mode... loading... then it has purple led at the top. it is the canadian h812 version.
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Click to collapse
Hi. I don't know exactly what the problem is and how to solve it. I would wait for an answer steadfasterX, or someone who knows the exact answer.
I would try to do this, but as I wrote above, I do not know if it will help or not:
Factory reset hardware key combo (https://forum.xda-developers.com/t/unlock-unofficial-g4-unlock-any-lg-g4-device-with-usu.3760451/)
As written above the regular key combo to get into the LG factory reset screen changes a bit:
power off device
disconnect any usb cable from the device
press volume UP + power button and KEEP THEM BOTH pressed until you see the LG logo the first time! THEN you have to immediately release the power button (ONLY that) and press and keep holding the power button directly again! Keep them pressed until you see the white LG factory reset screen
After that, I would try to go into the recovery, to format and restore or reflash.
Hope this helps. But it is better to wait for the answer of the knowledgeable. Good luck!
xDev91 said:
Hi. I don't know exactly what the problem is and how to solve it. I would wait for an answer steadfasterX, or someone who knows the exact answer.
I would try to do this, but as I wrote above, I do not know if it will help or not:
Factory reset hardware key combo (https://forum.xda-developers.com/t/unlock-unofficial-g4-unlock-any-lg-g4-device-with-usu.3760451/)
As written above the regular key combo to get into the LG factory reset screen changes a bit:
power off device
disconnect any usb cable from the device
press volume UP + power button and KEEP THEM BOTH pressed until you see the LG logo the first time! THEN you have to immediately release the power button (ONLY that) and press and keep holding the power button directly again! Keep them pressed until you see the white LG factory reset screen
After that, I would try to go into the recovery, to format and restore or reflash.
Hope this helps. But it is better to wait for the answer of the knowledgeable. Good luck!
Click to expand...
Click to collapse
It worked... I hope the factory reset actually fixes it. (by it worked I mean I got into it)
Nope. Didn't work. It freezes up and says 'Secure booting error :1003' MODIFIED!' with a purpleish pinkish led.
Boot in fastboot and execute:
fastboot format userdata
(this will erase all internal data, pics, apps etc)
Then let it boot.
steadfasterX said:
Boot in fastboot and execute:
fastboot format userdata
(this will erase all internal data, pics, apps etc)
Then let it boot.
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Click to collapse
I forgot, how do i boot in fastboot again?
I GOT IT INTO DOWNLOAD MODE! I REPEAT, I GOT IT INTO DOWNLOAD MODE!
myphoneisweirdlol said:
I GOT IT INTO DOWNLOAD MODE! I REPEAT, I GOT IT INTO DOWNLOAD MODE!
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Nevermind, nothing worked
myphoneisweirdlol said:
Nevermind, nothing worked
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I said fastboot mode not download mode. Read the UsU thread first post how to boot into it.
WOOOO BABY LETS GO I GOT INTO FASTBOOT (Edit: I fixed it!)

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