Database Users

How to boot LG Leon into recovery?

I've successfully rooted my T-Mobile LG Leon, and I've successfully installed TWRP, but for the life of me, I can't get the phone to boot into recovery. I can RE-boot into recovery from TWRP manager, but I can't actually boot into it from a fully powered-down state. I've tried every combination of the power and volume buttons I can think of, and nothing ever works. Download Mode works, the factory restore menu works, but I CANNOT get into recovery. Is there a very specific set of instructions anywhere that I can follow?
EDIT: Okay, I finally figured it out: You need to actually select to do a factory reset, and it throws you into the recovery menu.

Yeah, it was because the stock recovery doesn't exist as a menu, when you're running stock and enter the adb command "adb reboot recovery" it will reboot to the "factory reset mode" and the actual file of this mode is stored on partition named "recovery". Choosing the factory reset option boots the custom recovery because it replaces the said " factory reset mode" and that's the trick.

You can access recovery from the powered off state by holding volume down and power on until you see the lg sign. Without letting go of volume down, depress on the power button before clicking it back in and holding both buttons in until you see twrp pop up.

If you reboot to recovery now, it''ll probally say secure booting error. Simply go to the Developer options and enable OEM Unlock and that'll make you boot to it

You boot in the download mode by holding the vol up 10 seconds and during this 10 seconds you insert the usb. The LG Leon brand screen will come on a minute then it will go into download mode. It says not to unplug until firmware is done updating. So I guess you should have your custom recovery or whatever before you do this. I have only got this far, and thusly it sits. All Dressd up with no where to go...haha

kruc Ire said:
You boot in the download mode by holding the vol up 10 seconds and during this 10 seconds you insert the usb. The LG Leon brand screen will come on a minute then it will go into download mode. It says not to unplug until firmware is done updating. So I guess you should have your custom recovery or whatever before you do this. I have only got this far, and thusly it sits. All Dressd up with no where to go...haha
Click to expand...
Click to collapse
can't find "enable OEM" at all in developer options. have phone hooked computer, and on, it's sending and receiving. No OEM. Isn't there.
See, I'm trying to root this without using KingUser. Since I found that it was pretty easy to do from the very beginning with Samsung, and I just don't see any way to do it here. I can't get ADB Devices command to see the phone.

kruc Ire said:
can't find "enable OEM" at all in developer options. have phone hooked computer, and on, it's sending and receiving. No OEM. Isn't there.
See, I'm trying to root this without using KingUser. Since I found that it was pretty easy to do from the very beginning with Samsung, and I just don't see any way to do it here. I can't get ADB Devices command to see the phone.
Click to expand...
Click to collapse
I think I have the same issue, but I rooted my phone using kingroot, I haven't tested the adb commands, I just want to use twrp but no luck, it says Secure booting error and I can't find OEM Unlock option in Developer Menu.

duffycop said:
I think I have the same issue, but I rooted my phone using kingroot, I haven't tested the adb commands, I just want to use twrp but no luck, it says Secure booting error and I can't find OEM Unlock option in Developer Menu.
Click to expand...
Click to collapse
I got a good way to get it rooted with SuperSU. Ran a command window script I found out there. It worked and now I have SuperSU root. I also figured out how to get into recovery. It looks as though my phone is not the standard LEON that people are talking about here. It's got a few designations, and the T Mobile site advertises a Leon that seems very similar and is called by the name most are using..
Anyhow my LG Leon is designated as a H320. It also carries a v10 desiganation, v10b. The v10 is variable from a-h or a-i. It would seem that once it is updated to 5.1.1 android it gets upped, and becomes unrootable. Mine being a v10b was rootable, but it took me a while to get used to it, and make the command window work.
Unfortunately for me one of many things I tried before getting it rooted, was ADB fastboot. And since this told me to wait for too long, I pulled the plug on it and pulled the battery to get back into "normal" operations. Perhaps I should have waited, because after finding out a few things about the phone, I discovered the true way to get it into recovery:
The real way into recovery for my phone, is to (from power off state) hold the volume up, a few seconds, then plug the USB cable which is going to the computer into the phone. While holding the volume up until it comes to recovery. This will activate the recovery, (Now for me it activates that fastboot command line...and does nothing else). This was the bit of information I could have used from the beginning, that no one knows. All these places tell you to hold the power and volume up, and then let off power when the screen changes, but that never worked even once. You just hold the volume, and plug the USB from computer. This works.
For me it goes into a "FASTBOOT" header at the bottom of the screen that never changes.
I believe it does this because of my unsuccessful attempt to fastboot it before. And it does not have the right driver to get recognized in the computer. So I'm screwed as far as the recovery goes now.
It is rooted though. And it doesn't seem to have any alternate ROMS available anyways. so we're dealing with the loss of the recovery.
When I do try to use an app such as TWRP manager or CWM (ROM) Manager to reboot into recovery, I get a "boot certification verification -1" error instead of the fastboot line at the bottom of the startup screen and it boots normally from there. So many people asked about this "boot certification verification -1" and NO answers are available anywhere online. So that's where it stands for this phone right now.
Anyone know what driver I should use to get the thing recognized in the computer? I have downloaded a zipped fastboot tools, and it won't get recognized inside the driver manager as "android" only as "unknown device" so I can't use that route....I'm thinking about doing a factory reset to try to erase the fastboot attempt. That may not help though. Anyone?

kruc Ire said:
I got a good way to get it rooted with SuperSU. Ran a command window script I found out there. It worked and now I have SuperSU root. I also figured out how to get into recovery. It looks as though my phone is not the standard LEON that people are talking about here. It's got a few designations, and the T Mobile site advertises a Leon that seems very similar and is called by the name most are using..
Anyhow my LG Leon is designated as a H320. It also carries a v10 desiganation, v10b. The v10 is variable from a-h or a-i. It would seem that once it is updated to 5.1.1 android it gets upped, and becomes unrootable. Mine being a v10b was rootable, but it took me a while to get used to it, and make the command window work.
Unfortunately for me one of many things I tried before getting it rooted, was ADB fastboot. And since this told me to wait for too long, I pulled the plug on it and pulled the battery to get back into "normal" operations. Perhaps I should have waited, because after finding out a few things about the phone, I discovered the true way to get it into recovery:
The real way into recovery for my phone, is to (from power off state) hold the volume up, a few seconds, then plug the USB cable which is going to the computer into the phone. While holding the volume up until it comes to recovery. This will activate the recovery, (Now for me it activates that fastboot command line...and does nothing else). This was the bit of information I could have used from the beginning, that no one knows. All these places tell you to hold the power and volume up, and then let off power when the screen changes, but that never worked even once. You just hold the volume, and plug the USB from computer. This works.
For me it goes into a "FASTBOOT" header at the bottom of the screen that never changes.
I believe it does this because of my unsuccessful attempt to fastboot it before. And it does not have the right driver to get recognized in the computer. So I'm screwed as far as the recovery goes now.
It is rooted though. And it doesn't seem to have any alternate ROMS available anyways. so we're dealing with the loss of the recovery.
When I do try to use an app such as TWRP manager or CWM (ROM) Manager to reboot into recovery, I get a "boot certification verification -1" error instead of the fastboot line at the bottom of the startup screen and it boots normally from there. So many people asked about this "boot certification verification -1" and NO answers are available anywhere online. So that's where it stands for this phone right now.
Anyone know what driver I should use to get the thing recognized in the computer? I have downloaded a zipped fastboot tools, and it won't get recognized inside the driver manager as "android" only as "unknown device" so I can't use that route....I'm thinking about doing a factory reset to try to erase the fastboot attempt. That may not help though. Anyone?
Click to expand...
Click to collapse
I dunno, I have the H340AR, with this phones happens the same that with the Samsung Galaxy Ace 3, there are, 3G versions, 4G versions, regional versions, etc.. GA3 have 7275R, 7275B, 7272L, 7272T, I dunno, maybe if we could get a device tree for a H340 and an H320 we could make some TWRP and CM compiling, but I just can't figure it out how to make a device tree or even where to begin..
I successfully rooted my H340AR with Kingroot, it works like a charm. I haven't tried fastboot and I tried to install TWRP in this link https://dl.twrp.me/c50/ but I get that F error "Secure booting error". I guess I have my bootloader locked, so I'm trying to figure out how to unlock my bootloader.
I'm trying to contact with some developers and see if anyone can help me build a device tree.

]
Hi, I have that same phone H340AR LTE. I rooted it with Kingroot and also tried to use TWRP to gen into recovery and got that Security error. I only pulled out the baterry and turn it on again so it booted normally. I made a factory reset because I read that it could be a problem of OTA firmware update. Then I installed TWRP and BusyBox again and tried to get into recovery from TWRP option. When I did that, it showed up the Android lying in his back with a red triangle. I pulled a out the battery again and yes, it seems very dumb and simple but it worked and could reboot the phone.
However, I can't get into recovery from TWRP yet. I read that the problem with us not being able to unlock the bootloader(we don't have the OEM option) is because Leon has Lollipop 5.0.1 and OEM is for 5.1.1

pedrovay2003 said:
I've successfully rooted my T-Mobile LG Leon, and I've successfully installed TWRP, but for the life of me, I can't get the phone to boot into recovery. I can RE-boot into recovery from TWRP manager, but I can't actually boot into it from a fully powered-down state. I've tried every combination of the power and volume buttons I can think of, and nothing ever works. Download Mode works, the factory restore menu works, but I CANNOT get into recovery. Is there a very specific set of instructions anywhere that I can follow?
EDIT: Okay, I finally figured it out: You need to actually select to do a factory reset, and it throws you into the recovery menu.
Click to expand...
Click to collapse
when i pressed factory reset all it did was to a factory reset even though i flashed twrp.img successfully... help?
lg leon h345 lollipop 5.1.1

This device has a locked bootloader. If you flash a custom recovery on it, it will not boot into recovery, but will report a security issue. You will lose all recovery functionality, including factory reset, adb, fastboot. If your phone fails to boot, you have a brick.

New/Stock Oneplus Two, unable to boot into recovery

Hey all, completely new to this forum and my Oneplus Two that I've had for a little over two weeks.
I recently got a OTA update for Oxygen 2.2.0 but I can't seem to install it. Everytime I download it and click the "install" option, the phone reboots (probably to go to recovery) but after a very brief splash screen and a vibration, it vibrates again and displays the standard boot splash screen, boots into the OS and offers me to download the update again.
I've done a little troubleshooting in the past two-three days and from what I understand, the phone doesn't seem to be able to boot into recovery or fastboot. I've enabled the advanced options in the "reboot" menu and when selecting "recovery" the phone reboots and does the same behavior described above. I tried powering off the phone and booting with the volume up button pressed (while pressing power) and the phone boots and displays a "Fastboot Mode" splash screen but it seems to hang there forever until I actually shut it off again and power it back on. Also, I've tried booting it into recovery from ADB, connected to my PC and I get the same behavior: brief splash screen with a vibrate and then the phone seems to reboot again normally.
I haven't tampered with the phone yet, it is brand new out of the box, not rooted and nothing other than simply installing a few games, Nova Launcher, changing the wallpaper and using it as you would normally use your phone.
Anyone has an idea how I could actually get the Recovery functioning on this phone?
Best regards and thanks in advance for any help!

redbay1 said:
Hey all, completely new to this forum and my Oneplus Two that I've had for a little over two weeks.
I recently got a OTA update for Oxygen 2.2.0 but I can't seem to install it. Everytime I download it and click the "install" option, the phone reboots (probably to go to recovery) but after a very brief splash screen and a vibration, it vibrates again and displays the standard boot splash screen, boots into the OS and offers me to download the update again.
I've done a little troubleshooting in the past two-three days and from what I understand, the phone doesn't seem to be able to boot into recovery or fastboot. I've enabled the advanced options in the "reboot" menu and when selecting "recovery" the phone reboots and does the same behavior described above. I tried powering off the phone and booting with the volume up button pressed (while pressing power) and the phone boots and displays a "Fastboot Mode" splash screen but it seems to hang there forever until I actually shut it off again and power it back on. Also, I've tried booting it into recovery from ADB, connected to my PC and I get the same behavior: brief splash screen with a vibrate and then the phone seems to reboot again normally.
I haven't tampered with the phone yet, it is brand new out of the box, not rooted and nothing other than simply installing a few games, Nova Launcher, changing the wallpaper and using it as you would normally use your phone.
Anyone has an idea how I could actually get the Recovery functioning on this phone?
Best regards and thanks in advance for any help!
Click to expand...
Click to collapse
That is the norm for fastboot, it doesn't go past that screen.
It may not make a difference, did you try to boot to recovery via Power+Volume Down buttons?

Greetings Khaos64,
Yes, I've tried booting with Vol-Down+Power but the phone does not start.
With volume-up+power, I get the Fastboot splash screen but the phone does not respond to any input.
I tried selecting "bootloader" from the reboot menu but I get the same thing: Reboots and after a second, the phone reboots again normaly and into OxygenOS.
Is there a way to verify if the bootloader or recovery is corrupt and maybe reflash the stock recovery onto the phone?
Thanks for your input!

You may just want to go straight to oneplus support since everything is stock and only 2 weeks they should be able to get you updated or replace it.
If you'd like to be more hands on... maybe something below can help.
So your phone isn't recognized/no commands acceptred from your computer when booted to fastboot?
Such as unlocking your bootloader and booting into twrp... "fastboot boot yourfilename.img" or maybe flashing it.
Make sure OEM unlocking is selected in Developer options.
If you can't do that then this may not work but is worth a shot.
http://forum.xda-developers.com/showpost.php?p=62973446&postcount=2
These may also be something to look into:
http://forum.xda-developers.com/oneplus-2/general/guide-unbrick-recover-oneplus-2-to-t3269543
http://forum.xda-developers.com/oneplus-2/general/oneplus-solution-hard-bricked-device-t3183449

I did try to contact Oneplus for support but I am not the one who purchased the phone. Long story short, it was a gift from my girlfriend that she bought off of someone. The phone was new in box and was a warranty replacement. I would have to contact the seller and go trough him for support unfortunately.
Thanks for the different suggestions!, I will fiddle around with it this afternoon while the kids are having their mid-day nap and I'll get back with the results
Thanks again for the help, it's greatly appreciated!

Hello,
I eventually started fiddling around with fasboot and tried unlocking the bootloader. This sent the phone into a bootloop where it would try to boot into recovery and reboot right away.
I found an article on how to restore the phone to Oxygen 2.1.1. It would wipe user data but I did it anyway and it actually did restore the phone and now I have a worling recovery.
Here is a link to the guide I used:
http://forum.xda-developers.com/oneplus-2/general/guide-unbrick-recover-oneplus-2-to-t3269543
Thanks again for the help in solving my issue

Congratulations hope you enjoy the phone
Sent from my ONE A2005 using Tapatalk

redbay1 said:
Hello,
I eventually started fiddling around with fasboot and tried unlocking the bootloader. This sent the phone into a bootloop where it would try to boot into recovery and reboot right away.
I found an article on how to restore the phone to Oxygen 2.1.1. It would wipe user data but I did it anyway and it actually did restore the phone and now I have a worling recovery.
Here is a link to the guide I used:
http://forum.xda-developers.com/oneplus-2/general/guide-unbrick-recover-oneplus-2-to-t3269543
Thanks again for the help in solving my issue
Click to expand...
Click to collapse
Glad one was able to help you do it. :good:

redbay1 said:
Hello,
I eventually started fiddling around with fasboot and tried unlocking the bootloader. This sent the phone into a bootloop where it would try to boot into recovery and reboot right away.
I found an article on how to restore the phone to Oxygen 2.1.1. It would wipe user data but I did it anyway and it actually did restore the phone and now I have a worling recovery.
Here is a link to the guide I used:
http://forum.xda-developers.com/oneplus-2/general/guide-unbrick-recover-oneplus-2-to-t3269543
Thanks again for the help in solving my issue
Click to expand...
Click to collapse
HI there,
I am having the exact same issue with my oneplus 2. Unfortunately i know almost nothing regarding these android thingy. I know it has been almost 2 years, would you mind guide me through the steps? I would appreciate it so much.
Thanks.

P9 lite stuck at "Your device booting now screen..."cant enter fastboot

Hi!
So i treid to install the twpr recovery via srk tool huawei
after i unlocked the bootloader and reboot the phone i got the ÿour device is booting now screen and i cant do anything
i tried to restart the phone then press the vol down + the usb cable and doesnt work i still get the same screen
can't acces erecovery, can't enter fastboot, i can't do anything
what do i do now?

Nickoll_no1 said:
Hi!
So i treid to install the twpr recovery via srk tool huawei
after i unlocked the bootloader and reboot the phone i got the ÿour device is booting now screen and i cant do anything
i tried to restart the phone then press the vol down + the usb cable and doesnt work i still get the same screen
can't acces erecovery, can't enter fastboot, i can't do anything
what do i do now?
Click to expand...
Click to collapse
Device stuck in device is booting now ? or the 3 option screen ?

Kcetin20 said:
Device stuck in device is booting now ? or the 3 option screen ?
Click to expand...
Click to collapse
The device is stuck in the "device is booting now':crying:

Same Problem...
Nickoll_no1 said:
The device is stuck in the "device is booting now':crying:
Click to expand...
Click to collapse
BLN-L24N - Honor 6x
Sooo, I have the same problem , here's my story. Please help I've resorted to using a SGH-T599N... Its embarrassing... I'd almost rather have an iPhone...
So Little ol' me was messing around/ deleted google play services/ reboot to twrp to recover but device ended up bricked. At the time, still able to access fastboot. I flashed recovery and firmware. I then tried dload roll back method and when it cleared the phone bootloader locked. So I unlocked bootloader again but when device re-booted the following screen came up and still remains:
" ' Your device has been unlocked and cant be trusted. ' -- ' Your device is booting now... ' " (No options are available.)
I eventually tried to restart to fastboot or erecovery BUT Everytime I try to power down the device, it tries to power up again but needs to charge for a minute before trying to boot itself back up. .(even after being on the charger for hours this happens). The problem with that is I can't get into fastboot or force dload because it automatically starts itself/ has to be plugged in until it turns back on. (Yes i've tried button mashing/ button holding/ etc. did not help)
How do I get the phone to charge, without it booting up? I have a feeling that if I can get it to start (without it first having to charge) I can get it to fastboot/ or erecovery. I have already tried to let the battery COMPLETELY drain.
Outside of that, I know the whole roll back and dload stuff. Currently it flashes the honor logo screen and then sits at "Your device is booting now..."
Bootloader is unlocked
OH! I should clarify, it boots on its own. I've tried disconnecting the battery, having it on the charger without the
battery. With the battery, Starting phone up by re-connecting the battery. No positive results
I'm about to start messing around with firmware flashing utilities, I just don't know of any. I wish there was a way to flash without being in fastboot mode. (I know very little of perl/python/linux, but I am a quick learner if you point me in the right direction.
Thank you in advance

MSDB714 said:
BLN-L24N - Honor 6x
Sooo, I have the same problem , here's my story. Please help I've resorted to using a SGH-T599N... Its embarrassing... I'd almost rather have an iPhone...
So Little ol' me was messing around/ deleted google play services/ reboot to twrp to recover but device ended up bricked. At the time, still able to access fastboot. I flashed recovery and firmware. I then tried dload roll back method and when it cleared the phone bootloader locked. So I unlocked bootloader again but when device re-booted the following screen came up and still remains:
" ' Your device has been unlocked and cant be trusted. ' -- ' Your device is booting now... ' " (No options are available.)
I eventually tried to restart to fastboot or erecovery BUT Everytime I try to power down the device, it tries to power up again but needs to charge for a minute before trying to boot itself back up. .(even after being on the charger for hours this happens). The problem with that is I can't get into fastboot or force dload because it automatically starts itself/ has to be plugged in until it turns back on. (Yes i've tried button mashing/ button holding/ etc. did not help)
How do I get the phone to charge, without it booting up? I have a feeling that if I can get it to start (without it first having to charge) I can get it to fastboot/ or erecovery. I have already tried to let the battery COMPLETELY drain.
Outside of that, I know the whole roll back and dload stuff. Currently it flashes the honor logo screen and then sits at "Your device is booting now..."
Bootloader is unlocked
OH! I should clarify, it boots on its own. I've tried disconnecting the battery, having it on the charger without the
battery. With the battery, Starting phone up by re-connecting the battery. No positive results
I'm about to start messing around with firmware flashing utilities, I just don't know of any. I wish there was a way to flash without being in fastboot mode. (I know very little of perl/python/linux, but I am a quick learner if you point me in the right direction.
Thank you in advance
Click to expand...
Click to collapse
So on ny phobe the mainboard is dead so i guess the internal storage is corrupted
I need to change that and i guess you need too...
It's not so expensive(like 40$ for my phone)

Nickoll_no1 said:
So on ny phobe the mainboard is dead so i guess the internal storage is corrupted
I need to change that and i guess you need too...
It's not so expensive(like 40$ for my phone)
Click to expand...
Click to collapse
do you have a part number?

MSDB714 said:
do you have a part number?
Click to expand...
Click to collapse
I dont think i was to a local service...it' s not so expensive but it's not cheap either

Essential phone not booting after OTA update to Oreo. No recovery, bootloader locked

So, pretty much what the title says...I got the prompt to update to Oreo. Clicked install and left it. It does whatever it needs to do and after 2 hours of leaving it there it was just stuck on the boot screen. Tried to boot into recovery and no luck, it just remains on boot screen. I can access fastboot mode though.
Because the boot loader is locked, I can't install a custom recovery or anything. I tried everything I could in my own power before resorting to here. Any suggestions?

Did you hold the power button down until your phone completely powered off? I'm assuming you did. What you described isn't supposed to happen on a dual partition phone. If an update goes bad the phone is supposed to recover by booting from the other partition. If powering the phone down completely and then turning it back on doesn't allow you to boot I would honestly go straight to Essential Support since you didn't mod your phone or unlock the bootloader. I dealt with support via email and if nothing else they are definitely very responsive. They answer emails so promptly it was almost like being in a chat.

devon4786 said:
So, pretty much what the title says...I got the prompt to update to Oreo. Clicked install and left it. It does whatever it needs to do and after 2 hours of leaving it there it was just stuck on the boot screen. Tried to boot into recovery and no luck, it just remains on boot screen. I can access fastboot mode though.
Because the boot loader is locked, I can't install a custom recovery or anything. I tried everything I could in my own power before resorting to here. Any suggestions?
Click to expand...
Click to collapse
Hello
Tell us the status of your phone Did you solve the problem? Tell us the way I'm stuck in the same problem

Recovery from bootloop (and other issues)

Ok, so... this is gonna be quite long to tell, but I need to explain the situation as carefully as possible because the problem I have seems to be very specific and potentially solutionless.
So, a week ago my Samung Galaxy Tab S6 Lite (SM-P610, CSC: ITV, which is the Italian Country Code and it's for unbranded devices, since my model is Wi-Fi only), suddenly started to restart itself and it's been stuck for days in a bootloop (i.e. it's stuck on the logo and if I hard restart it with Volume Down + Power, it gets stuck there again). Yesterday I found out that it's most likely a software problem, so re-installing the Android version should fix everything up... right? Well, I did just that but the device is still stuck on the bootloop.
Here I want to be more detailed: firstly, I'm 100% positive that the problem I have is NOT due to a virus, as I've never done ANYTHING that could potentially lead me to taking a virus (such as downloading apps outisde Google Play, visiting risky sites etc.); secondly, I followed a procedure that was supposed to repair my device without losing data. That's because I've stupidly never made a backup and I can't afford to make a factory reset. The procedure I followed consisted in finding the Android update I needed with Frija, and then downloading everything in the tablet with Odin. Also, I'm 100% positive that I made NO mistakes during the installation procedure. The only step that I did differently is HOW I installed the update: I did it with Download Mode, not with fastboot, because when I go into Recovery Mode and reboot the device into bootloader, the PC doesn't recognize my Tab, even if the PC does recognize that it's connected, as it makes the typical sound of when you plug something in a USB port (I have the USB drivers installed in my PC, I think it doesn't work because I never unlocked bootloader). What I get when I reboot into bootloader is "entering fastboot..." stuck screen and the PC and Odin aren't able to recognize it.
My questions are therefore these:
Is there a way to make a backup of the data of my device if I can't boot it (maybe via Download Mode)?
Is there a way to make fastboot work if I can't boot my device?
Is there some other way to repair my tablet that I can try?
Thank you for any help, this is my last hope to find a solution for my problem.

neo4458232 said:
When your device is stuck on an Android boot loop issue then you can fix it by simply doing a soft reset. Turn off your device and the problem will be resolved.
Here are the steps to follow:
First, switch off your device and take out your battery from the phone.
If your battery is non-removable then turn off the phone for 3 to 5 minutes and again turn it on.
This method works effectively to fix the error of the boot loop issue. But if a soft reset does not work for you to fix Android phones stuck in the boot loop issue then you should follow the next method.
Method 3: Reboot System in Recovery Mode​Rebooting a phone in the Recovery Mode is known for fixing several errors and issues on your Android phone. So, if you are unable to start your phone in normal mode or your Android is stuck in a reboot loop, then restart your phone in Recovery Mode.
Method 4: Remove and Reinsert SD Card​You may also try to remove the SD card to fix the boot loop in Android. According to several user reports, this trick worked for them. So, you should try this.
First, turn off your phone > remove the SD card > turn on your phone normally, and check if your phone is out from the boot loop or not.
If it is still stuck in the boot loop, then go for the other solution.
Method 5: Reboot the Phone in Safe Mode​This problem may also occur due to problematic 3rd party apps. If you have recently installed an app on your phone and then you started facing this issue, then remove it from your device.
Or, if you are not sure which app is responsible, then try rebooting your phone in safe mode. Doing this will disable all the third-party apps on your Android phone and then you can easily find out if this is the reason behind this issue or not.
To do this, you need to follow these steps:
Start rebooting your phone.
When the device logo appears on the screen, long-press the volume-down button at the same time.
Now, your phone will automatically switch to Safe mode.
If your phone is no more getting into the boot loop, then it means one of the third-party apps installed on the device was causing this issue.
Now, find out the problematic app and uninstall it to fix the Android boot loop without losing data.
Method 6: Use Custom Recovery Mode​When you find your Android is stuck on the startup screen due to the boot loop issue, then you must try to restart the phone in the Custom Recovery mode. Here is the guide to do so:
To enter into the Custom Recovery mode press the Power + Volume down buttons simultaneously.
Select the “Advanced” option in the Custom Recovery menu.
Next, choose “Wipe Dalvik Cache”. Choose “Yes” when prompted for confirmation.
Move to the “Mounts and Storage” option and choose “format/cache”. It will clear the cache files completely.
Restart your device.
Method 7: Fix Android Bootloop Error Via CWM Recovery [For Rooted Phone]​Maybe you are not aware of this method but it’s a useful way to fix the boot loop issue on Android after the update. Remember that this method is only for rooted phones. Here CWM means ClockworkMod and if your phone is stuck on the Android boot loop then it must be downloaded and installed on phone. Read me
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Thanks for replying but I already tried every method listed here.

At this point it sounds like you need to bring it in to a local repair shop & see if they have a fix.

The solution is to wait on the turned on screen until the battery dies completely. Then put it to charge and after a bit using the reset combo (pwr+volume down) once the circular battery charging indicator with the green border comes. (It's a matter of luck, this keeps happening to my tablet and even the official samsung store can't fix it even though they took money to do the same)