Could use some help (new HTC U12+ user with rooted phone.) - HTC U12+ Questions & Answers

Hi all,
My uncle gave me his old HTC U12+, and now I would like to update it to the last security updates.
Unfortunately I have no clue where to start.
The phone can be completely wiped and I would like to go back to the original HTC U12+ ROM.
The phone is currently running Android 8.0.0 (version 1.53.401.5) and the last update was 1 December 2018 :-/
The phone IS rooted.
When I start bootloader (with abd reboot bootloader) I get into the bootloader.
It's showing the following.
Press volume key to select, and press power
key to select
FastBoot Mode
PRODUCT_NAME - HTC_Phone
VARIOANT - SDM UFS
BOOTLOADER VERSION -
BASEBAND VERSION -
SERIAL NUMBER - FA93J1xxxxxx
SECURE BOOT - PRODUCTION
SECURE STATE - S-ON
DEVICE STATE. - UNLOCKED(U)
KEY STATE - NONE
Click to expand...
Click to collapse
I can select the following options with the volume key
Reboot, Power Down, Reboot To Recovery, Reboot to Download, Reboot To Bootloader
When I boot to reboot to recovery I get the following:
Team Win Recovery Project 3.3.1-0
Install / Wipe / Backup / Restore / Mount / Settings / Advanced / Reboot
Click to expand...
Click to collapse
When I reboot to Download I get this:
- Download mode
***UNLOCKED ***
*** PRODUCTION ***
htc_imedugl PVT S-ON
LK-1.0.0.0000
RADIO-sdm845-000201b-1807311356
OpenDSP-UNKNOWN
OS-1.53.401.5
Jan 17 2019,16:3434(1065891)
Click to expand...
Click to collapse
Anyone here who can guide me on how to get the HTC back to stock (or updated) again?
Again. The phone can be completely wiped. No needed data is on it at this moment.
Thank you!
Kian

Got it myself
Downloaded a RUU from docs.google.com/spreadsheets...K8w/edit#gid=0 (in my case 1.30.401.2 for CID HTC__001), and renamed it to 2Q55IMG.zip
After this I moved it into the root directory of the HTC's SSD card, and booted into Download mode.
It found the 2Q55IMG.zip file and asked to flash (volume up). I did, and after some time the HTC booted up nicely.
I needed to do some more updates over air, but now it's fully updated.
Unfortunately it lost ROOT, but I'm sure this is (easy?) fixable.

Related

How-To: S-ON from S-OFF (backwards)(Solved)

Return to Contents Page - doubleshot Developers Reference
In This Post I channeled the info I found for making S-ON for the sensation - the posts leading up to this I had a halfway decent idea on how to do it but here's where the info came from:
Guide to Installing S-off, Unlocking, ClockWork, Root, SuperCID & S-on
Thanks to the people over in the Sensation forums who mostly figured this out.
Specifically, this post was the piece of info needed, everything else is a detail:
Jimmy Flip said:
Has anyone tried 'fastboot oem writesecureflag 3' to get S-ON after everything else has been returned to stock? If it works at all, you'd definitely want to do this as the very last step so all partitions pass signature checking. I don't have phone insurance so I'm not keen to try it myself just yet
Click to expand...
Click to collapse
There is a warning surrounding all S-ON how-to's that i've seen that says you could brick. Consider yourself warned.
I personally was willing to risk my device even though I was kinda making it up as I go - the risk was worth the potential gain. Sometimes you just gotta lay it on the line for the greater good.
I had to try this without an official (or any...) RUU as every instruction calls for so I Kinda took the plunge with the best of what I had available. I managed to make it work without an RUU and in my search for one turned up a more recent PG59IMG.zip file we didn't yet know about, so it was a win.
I've been flipping S-ON and S-OFF (rev method) back and forth now for a couple of resets/restores etc... on the device, and no brick even without the RUU we don't have.
Here's how...
NOTE: Only have done this with a device with no SIM so far.
First - you need to do this:
Step-by-Step:
What you need:
- MicroSD card.
- A PG59IMG.zip file ( Links here )
How to make it:
[1] - Download an image linked here.
[2] - Rename it to PG59IMG.zip
[3] - Format your MicroSD card in the computer.
[4] - Transfer the image from the computer to the MicroSD card.
[5] - SAFELY EJECT the MicroSD card from the computer.
How to use it:
NOTE: Make sure you have a full battery!!!​
[1] - Power off the doubleshot. Remove the battery and MicroSD card.
[2] - Insert new card from above. ( or back up current card, make, and re-insert )
[3] - Replace battery and backplate.
[4] - Holding the 'Volume Down' button, press the 'Power' button.
[5] - Wait for the loading bar to fill.
[6] - When ready, it will ask you if you want to start the update.
[7] - Select yes by pressing the 'Volume Up' button. Press 'Volume Down' if you just realized you have a low battery.
[8] - Allow the update time to flash to your doubleshot.
[9] - Let it sit for a minute or two after it says finished, then press power to reboot.
[10] - Follow on-screen instructions until finished.
Then:
[1] - Reboot the doubleshot.
[2] - When fully booted, open the settings menu.
[3] - Go to "SD & phone storage" and choose "Factory data reset"
[4] - Yes, wipe the sdcard too.
[5] - Follow on-screen instructions until finished.
You now have your doubleshot returned to 'factory fresh' for whatever software package you chose to download, through and through. We showed the method to include the sdcard so you would have the device in a state as close to:
"Just like new!!"
...as possible.​
This is very important to do. The factory reset after the flash is mandatory and must include the sdcard.
If you have a partition mis-match for your version at this point, then you may not be able to fix it, and you could brick unintentionally.
Make sure to minimize this possibility as much as possible by wiping the sdcard with the factory reset so that you don't have any stray files floating around that could cause you harm!​You should have already backed up the stuff on your sdcard you wanted to keep, that should go without saying for doing this kind of stuff?​
Once this is done, you want to boot up to the stock ROM.
Then go to settings -> power -> uncheck fastboot
Then power off the device.
Give it a minute to settle down, then hold the 'Volume Down' key and press "Power' to boot into the hboot menu.
Choose 'fastboot' by pressing the power button while the highlight box is around that word in the hboot menu.
Once in the fastboot menu, plug into your computer.
Open a terminal window and get to the fastboot directory.
Type:
Code:
fastboot devices
...and make sure your device is listed.
Then type:
Code:
fastboot oem readsecureflag
should come back with secure_flag: 0
Now type:
Code:
fastboot oem writesecureflag 3
and then type:
Code:
fastboot oem powerdown
Now the device is powered off.
When next you power on, you will be S-ON with 1.44.0007 hboot and 1.28.531.9 software - back to retail launch condition. Completely.
Power on and get to the stock ROM.
Then go to "Settings" -> "SD & phone storage" and choose "Factory data reset" - Yep, sdcard too - and when this is done:
Congratulations - you are now factory fresh S-ON retail launch.
Check by booting into hboot and seeing it say S-ON or in fastboot mode issuing the command:
Code:
fastboot oem readsecureflag
----
What you do next is up to you - you can:
- S-OFF with the rev method
- Return to HTC in S-ON status (warranty?)
- Update your system to come forwad from stock retail.
----
STOP HERE IF JUST FOR HTC SERVICE
--------
SERIOUSLY, DON'T GO FURTHER IF THIS IS JUST FOR SHIPPING BACK TO HTC
----
Let's update:
Reboot your doubleshot to come back up to the full stock ROM.
Turn on wifi if necessary, add to a network and then:
Go to Settings -> About phone -> HTC software updates and then tap "check now"
It will tell you you have an update available, this will be the 1.28.531.10 update.
Follow the instructions for the update, let it install and when it is all finished and boots back up to the stock ROM you will be greeted with the popup:
"updated to 1.28.531.10"
Go to "SD & phone storage" and choose "Factory data reset" (yes for sdcard)
...and when that finishes:
Now you are at the last stopping point for S-OFF right now - you can either run the rev method and get S-OFF again, do nothing, or apply the next update.
----
Let's apply the next update:
(this is the point of no return - once you do this update you are stuck.)
This file was found on a quest for an RUU.
OTA 1.55.531.3 - Install as a PG59IMG.zip file.
When flashing the 1.55.531.3_Update_PG59IMG.zip file:
...on booting into hboot it loaded and then verified the package. Then asked me to update, I said yes and it immediately skipped:
- adsp.img
- boot_signed.img
- dzdata.img
- pg2fs_spcustom.img
- radio.img
- rcdata.img
- recovery_signed.img
- splash1.nb0
- system.img
- tp_atmelc12_20aa.img
...and installed:
- hboot_8x60_DOT_1.45.0013_20111121_signedbyaa.nb0
- ramdisk.img
- rpm.img
- sbl1.img
- sbl2.img
- sbl3.img
- tz.img
...then rebooted to hboot again, reloaded and re-verified the package, automatically continued the install and wrote all the partition images it skipped the first round.
It's obvious that the:
- hboot_8x60_DOT_1.45.0013_20111121_signedbyaa.nb0
- ramdisk.img
- rpm.img
- sbl1.img
- sbl2.img
- sbl3.img
- tz.img
...partition images had to be in place before the other ones could be written.
After it finished and booted all the way up again, I did a factory reset (yep, sdcard too) and then rebooted the device once it was finished that.
Which puts us right here, square at a 1.45.0013 hboot S-ON LOCKED device with 1.55.531.3 software.
For more detail on the whole process, see this posting:
1.45.0013 S-ON locked
I was unable to install either of the OTA updates we captured through the stock recovery once S-ON. Tried applying as-is and renaming to update.zip, multiple times, wouldn't take.
I have had no issues installing these updates without renaming them through the stock recovery when S-OFF. I would have preferred to install the OTA updates through recovery and use the PG59IMG.zip file afterwards, but it didn't want to do it that way.
I ended up getting the first one through HTC download, and using the new 1.55.531.3 PG59IMG.zip I found to bring me current.
----
Apparently this leaked PG59IMG.zip file, if flashed to a device, will solve the problem with the HTC Unlock-Bootloader tool and allow users to complete the process.
(Confirmed! - Sweet.)
Finally I can send phone in to be fixed, and not worry about not having S-Off.
Sent from my HTC myTouch_4G_Slide using Tapatalk
Do u mind if I add this to Mr root?
xmc wildchild22 said:
Do u mind if I add this to Mr root?
Click to expand...
Click to collapse
Go for it man - I was actually just about to message you about it and let you know we could do it, i'm eating my dinner and trying to clean up some loose ends in threads with the new knowledge we have now.
If you (or anyone) can figure out how to take something i've done and make it easier for other people to do - i'm all about it - that's progress!
Just link back to this thread so if people get stuck they can view the process and troubleshoot if necessary.
btw 2 questions.....
1. could you s-on then go stock (or would it brick)
2. if you do fastboot oem write secureflag 0....wouldn't it S-off?
for the first one - no, it doesn't but you MUST absolutely MUST flash to STOCK RETAIL first, then do a factory reset and wipe the sdcard BEFORE writing the command.
If you are not 100% stock and do it, you will have security mis-match errors and probably brick.
Do not use the new PG59IMG.zip file I found today that is for the most recent OTA update - use the old one we've been that's linked in this thread. That'll bring you back to stock for retail launch.
----
for the second:
Yep - but you can't use a write command if you are S-ON.
I think it's more forgiving going back to S-ON then going to S-OFF - you might brick doing it that way. Somehow the rev method prevents the other checks (like from radio) from working - just setting it to S-OFF might not work the same way.
Going backwards to S-ON is fine as long as you are completely stock when you do it. Any custom anything and you have a world of trouble.
(exception would be SuperCID - not sure if there are any other exceptions)
( and it's: fastboot oem writesecureflag 3 - you put an extra space in.
hboot commands in the bottom half of this post:
http://forum.xda-developers.com/showpost.php?p=17384086&postcount=4 )
AgentCherryColla said:
Finally I can send phone in to be fixed, and not worry about not having S-Off.
Sent from my HTC myTouch_4G_Slide using Tapatalk
Click to expand...
Click to collapse
+1
Just my spare change.

[Q] Boot loop after failed boot.img replacement

Edit: solution to the problem in post #4
I have accidentally replaced my boot.img with fastboot - now the phone is stuck in a boot loop/freeze
the bootloader is unlocked
it is S-ON
it is an unlocked (not branded phone)
running twrp 2.6.0.0
both adb and fastboot appear to work
the phone is not rooted (that was where the problem started...)
I have access to hboot and recovery, but that is it​
I have erased everything (cache, system, dalvik, sd) several times and tried a number of suggestions found on other threads describing similar problems.
I can't get access to the SD card from a PC, and fastboot flash or adb push both fail to transfer a stock RUU (JmzM4StockRootedDeOdex-WWE-1.22.401.1.zip) to the phone.
I have replace the kernel (and flashed the appropriate boot.img with it) to get out of the boot loop.
Any suggestion would be greatly appreciated! gettting desperate now...
Thanks, K
----------
the recovery screen reads:
***TAMPERED***
***UNLOCKED***
M4_UL PVT SHIP S-ON RL
HBOOT-2.21.0000
RADIO-1.22.40e.00.07
OpenDSP-v15.2.0268.0819
OS-1.40.401.1
eMMC-boot 1024MB
ilchkai said:
I have accidentally replaced my boot.img with fastboot - now the phone is stuck in a boot loop/freeze
the bootloader is unlocked
it is S-ON
it is an unlocked (not branded phone)
running twrp 2.6.0.0
both adb and fastboot appear to work
the phone is not rooted (that was where the problem started...)
I have access to hboot and recovery, but that is it​
I have erased everything (cache, system, dalvik, sd) several times and tried a number of suggestions found on other threads describing similar problems.
I can't get access to the SD card from a PC, and fastboot flash or adb push both fail to transfer a stock RUU (JmzM4StockRootedDeOdex-WWE-1.22.401.1.zip) to the phone.
I have replace the kernel (and flashed the appropriate boot.img with it) to get out of the boot loop.
Any suggestion would be greatly appreciated! gettting desperate now...
Thanks, K
----------
the recovery screen reads:
***TAMPERED***
***UNLOCKED***
M4_UL PVT SHIP S-ON RL
HBOOT-2.21.0000
RADIO-1.22.40e.00.07
OpenDSP-v15.2.0268.0819
OS-1.40.401.1
eMMC-boot 1024MB
Click to expand...
Click to collapse
Hi! If you still need help, PM me and we'll get it sorted, no problem.....
nelvinchi said:
Hi! If you still need help, PM me and we'll get it sorted, no problem.....
Click to expand...
Click to collapse
excellent - thanks, pm sent
Here is the solution to the above problem, no guarantees – just thought I share it here if anyone else is in the same predicament… I was walked through this by nelvinchi - many thanks for that !!!!
(n.b. I can't post urls yet as I am a noobie here, so that you will need to find the required files in the forum somewhere - maybe someone can leave links to the appropriate files in a post below)
Required files:
1. ABD (get the smaller version from the forum)
-> download this and extract to a folder called c:\adb\
2. Updated Super SU "UPDATE-SuperSU-v1.86.zip"
3. Rom (Stock2.12.401.1Deodex(tr1gg3r84).zip)
-> SuperSU and Rom, into the same folder as above (c:\adb\)
(4. TeamWinRecoveryProject recovery, here version 2.6.0.0)​
Procedure:
[NB.: I had access to bootloader (unlocked) & recovery (twrp 2.6.0.0); the phone was S-ON]
Open a command prompt from the folder (shift+right click somewhere in the window and choose “open command window here”, or WIN+R and enter cmd and press enter and navigate to the folder where the files and adb are located)
Boot phone to recovery
Go to the mount menu, check system and data [data was not selectable, thus I had to: Go to wipe menu, Format data, Type yes, after that reboot to recovery, and mount menu, check system and data…]
Back to main menu
Plug your phone into computer (mine was plugged in all along, so no worries)
In the cmd prompt (on PC) type: adb devices [phone should be found and indicated by the serial number and the status, in this case it should say recovery after the number – proceed if phone is found]
Type: adb push Stock2.12.401.1Deodex(tr1gg3r84).zip /sdcard/
[there is no indication of progress when pushing, just be patient – it will take a few minutes. And, just in case – if you need to interrupt/cancel the push process it can be done with Ctrl+c]
Type: adb push UPDATE-SuperSU-v1.86.zip /sdcard/
On the phone, in recovery, Go to install
Choose the NEW rom (Stock2.12.401.1Deodex(tr1gg3r84).zip)
Choose add more zips and add the SuperSU zip
Confirm flash
When done, DON'T reboot, go back, reboot menu, reboot recovery
On the PC, open the ROM zip, and extract boot.img to the folder (c:\adb\) [this will need you to have 7zip or Winrar or similar installed on your computer]
Reboot menu and select Reboot bootloader
Select fastboot (fastboot should be indicated by fastboot USB)
On the PC type fastboot flash boot boot.img
Choose bootloader, then recovery
In recovery: Go to wipe, Advanced wipe, Check cache and dalvik, and wipe!
Go to Reboot menu, and Reboot system
Now, don't panic – it will take some time to do its thing… the phone should be fine after that and normal setup process should start.
!!! Massive thanks to nelvinchi, who walked me through this process!!!
Links
A little late, but:
SuperSU: http://download.chainfire.eu/372/SuperSU/UPDATE-SuperSU-v1.86.zip?retrieve_file=1
Stock Flashable zip: https://mega.co.nz/#!8d0jhQTS!N2V5KTty4spxzNOwU-43vzqd3BF_ektVbH_TuHec26c
TWRP: http://forum.xda-developers.com/showthread.php?t=2418938
ADB: http://forum.xda-developers.com/showthread.php?p=42407269 (i think you ment this one, right?)
Yaaay, fixed my mini. Thx for these instructions!
:laugh:
ilchkai said:
Here is the solution to the above problem, no guarantees – just thought I share it here if anyone else is in the same predicament… I was walked through this by nelvinchi - many thanks for that !!!!
(n.b. I can't post urls yet as I am a noobie here, so that you will need to find the required files in the forum somewhere - maybe someone can leave links to the appropriate files in a post below)
Required files:
1. ABD (get the smaller version from the forum)
-> download this and extract to a folder called c:\adb\
2. Updated Super SU "UPDATE-SuperSU-v1.86.zip"
3. Rom (Stock2.12.401.1Deodex(tr1gg3r84).zip)
-> SuperSU and Rom, into the same folder as above (c:\adb\)
(4. TeamWinRecoveryProject recovery, here version 2.6.0.0)​
Procedure:
[NB.: I had access to bootloader (unlocked) & recovery (twrp 2.6.0.0); the phone was S-ON]
Open a command prompt from the folder (shift+right click somewhere in the window and choose “open command window here”, or WIN+R and enter cmd and press enter and navigate to the folder where the files and adb are located)
Boot phone to recovery
Go to the mount menu, check system and data [data was not selectable, thus I had to: Go to wipe menu, Format data, Type yes, after that reboot to recovery, and mount menu, check system and data…]
Back to main menu
Plug your phone into computer (mine was plugged in all along, so no worries)
In the cmd prompt (on PC) type: adb devices [phone should be found and indicated by the serial number and the status, in this case it should say recovery after the number – proceed if phone is found]
Type: adb push Stock2.12.401.1Deodex(tr1gg3r84).zip /sdcard/
[there is no indication of progress when pushing, just be patient – it will take a few minutes. And, just in case – if you need to interrupt/cancel the push process it can be done with Ctrl+c]
Type: adb push UPDATE-SuperSU-v1.86.zip /sdcard/
On the phone, in recovery, Go to install
Choose the NEW rom (Stock2.12.401.1Deodex(tr1gg3r84).zip)
Choose add more zips and add the SuperSU zip
Confirm flash
When done, DON'T reboot, go back, reboot menu, reboot recovery
On the PC, open the ROM zip, and extract boot.img to the folder (c:\adb\) [this will need you to have 7zip or Winrar or similar installed on your computer]
Reboot menu and select Reboot bootloader
Select fastboot (fastboot should be indicated by fastboot USB)
On the PC type fastboot flash boot boot.img
Choose bootloader, then recovery
In recovery: Go to wipe, Advanced wipe, Check cache and dalvik, and wipe!
Go to Reboot menu, and Reboot system
Now, don't panic – it will take some time to do its thing… the phone should be fine after that and normal setup process should start.
!!! Massive thanks to nelvinchi, who walked me through this process!!!
Click to expand...
Click to collapse
I followed these instrutions to a T but im still getting boot loopat the HTC screen
I am Unlocked bootloader
S-Off
cid-CWS__001
hboot 2.19.0000
radio 1.19.40d.00.14
any suggestion?
please help
romy134 said:
I followed these instrutions to a T but im still getting boot loopat the HTC screen
I am Unlocked bootloader
S-Off
cid-CWS__001
hboot 2.19.0000
radio 1.19.40d.00.14
any suggestion?
Click to expand...
Click to collapse
I'm having the same problem.
I've followed those instructions over and over with different roms but TWRP always tells me that there is no OS installed when I do the final reboot. I am stuck at the white HTC screen and can't get any rom to load up. Please help.
This is what my bootloader says:
--TAMPERED--
--UNLOCKED--
M4_UL PVT SHIP S-ON RL
HBOOT-2.22.0000
RADIO-1.25.40G.00.19
OPENDSP-V19.2.0268.0927
OS-3.10.502.3
eMMC-boot 1024mb
I can flash recoveries and boot.img. ADB works to push roms into /sdcard/, can also sideload. I'm suspecting my filesystem/ partition data is all screwed but but can't figure out why Roms won't load.
I got the phone yesterday and it was untouched, stock. I tried to follow this guide (http://forum.xda-developers.com/showthread.php?t=2789272) to get it rooted and install a custom rom. I got stuck at getting S-OFF. rumrunner was giving me the "Fatal: download latest package" error. I also could not get su in the shell to try firewater. At this point I was reading that people had luck getting S-OFF after installing JmzM4StockRootedOdex-WWE-1.22.401.1 custom rom and kernel. I tried to do that but I wasn't sure what I was doing and ended up with no OS and a bootloop at the white HTC screen. I have a bit of Android experience from messing with the HP touchpad tablet but I'm rusty and this phone has me beat right now.
Thanks for your help.
...
try replacing TWRP with an older version (mine was 2.6.0.0) and reset/clear/delete/format everything from there and restart the process outlined above
and apparently S-Off is pointless and very risky on this model, there is no reason to do it - it will just cause problems
good luck and I hope some else who has actual knowledge about this will get back to you
ilchkai said:
try replacing TWRP with an older version (mine was 2.6.0.0) and reset/clear/delete/format everything from there and restart the process outlined above
and apparently S-Off is pointless and very risky on this model, there is no reason to do it - it will just cause problems
good luck and I hope some else who has actual knowledge about this will get back to you
Click to expand...
Click to collapse
Thanks.. I've been using TWRP 2.7.1.0 because I read that I have the newer partion scheme with HBOOT 2.22 but I'm not really sure.
When I try TWRP 2.7.1.1 ADB doesn't work and I get a different /sdcard/ than in 2.7.1.0. Not sure what's going on there either.
The only reason I tried S-off is because I blindly followed that guide on how to get the HTC one mini up to date and that was the 2nd step. I should have skipped it and paid more attention to the custom rom flashing aspect.
I'll try TWRP 2.6.0.0 as I don't have many other options at this point.. I also tried to use CWM recovery but it couldnt flash a rom either.
Thanks for your input.

[Completed] HTC Desire 820s stuck on bootlogo. not continue to run

Hello
I have a HTC 820s Dual sim mobile. The problem started when i try to root my device via Kingroot.
Unfortunately, my device not rooted but worst, it stuck on boot logo. I tried to search the
internet for possible solution, i stumble upon one thread here in XDA that HTC Devices need to
unlock first via HTC-Dev. I tried it but my device in not booting anymore and i cannot open the
developer option to allow USB Debugging which is required in HTCDev unlocking the Bootloader.
I can enter in download mode but when i press it, it only return to boot logo (HTC) and get stuck
up there.
I found out that Mediatek dont need for fastboot because it is already pre installed (i dont know
about that) but my device has Mediatek so fastbooting is not a problem for my device.
When I first press the volume UP + Power Button, here are the detailed on screen:
hTC download mode
*** LOCKED ***
htc_a50ml PVT S-ON
LK-1.01.0000
RADIO-UNKNOWN
OpenDSP-UNKNOWN
OS-1.20.401.1
Sep 25 2015 12:28:06(626611)
system info
show barcode
reboot to bootloader
reboot to download mode
reboot
power down
When I chose the download mode, it will return in the same screen. How ever When i enter into
bootloader mode, it brings me to the screen where i can see some of details.
Here are the details..
*** Software status: Modified ***
*** LOCKED ***
HTC_A50ML 128 SHIP S-ON
CID-HTC_ _J15
LK-1.01.0000 dirty-41077e9f
OS-1.20.401.1
VOL Up to previous item
VOL Down to next item
Power Key to select item
REBOOT
REBOOT TO BOOT-LOADER
BOOT TO DOWNLOAD MODE
BOOT TO RECOVERY MODE
DDR TEST
POWER DOWN
I tried flashing thru SD card. I downloaded the package in one of the thread here in XDA. the
flashing of package aborted because my device is not compatible with Asian stock ROM, it was
looking for Europe ROM.
I tried the SP flash tool
I tried the scatter file
still, i cannot repair my device.
sorry for the long post, i really need your help.
Thank you
Hector Lucas said:
Hello
I have a HTC 820s Dual sim mobile. The problem started when i try to root my device via Kingroot.
Unfortunately, my device not rooted but worst, it stuck on boot logo. I tried to search the
internet for possible solution, i stumble upon one thread here in XDA that HTC Devices need to
unlock first via HTC-Dev. I tried it but my device in not booting anymore and i cannot open the
developer option to allow USB Debugging which is required in HTCDev unlocking the Bootloader.
I can enter in download mode but when i press it, it only return to boot logo (HTC) and get stuck
up there.
I found out that Mediatek dont need for fastboot because it is already pre installed (i dont know
about that) but my device has Mediatek so fastbooting is not a problem for my device.
When I first press the volume UP + Power Button, here are the detailed on screen:
hTC download mode
*** LOCKED ***
htc_a50ml PVT S-ON
LK-1.01.0000
RADIO-UNKNOWN
OpenDSP-UNKNOWN
OS-1.20.401.1
Sep 25 2015 12:28:06(626611)
system info
show barcode
reboot to bootloader
reboot to download mode
reboot
power down
When I chose the download mode, it will return in the same screen. How ever When i enter into
bootloader mode, it brings me to the screen where i can see some of details.
Here are the details..
*** Software status: Modified ***
*** LOCKED ***
HTC_A50ML 128 SHIP S-ON
CID-HTC_ _J15
LK-1.01.0000 dirty-41077e9f
OS-1.20.401.1
VOL Up to previous item
VOL Down to next item
Power Key to select item
REBOOT
REBOOT TO BOOT-LOADER
BOOT TO DOWNLOAD MODE
BOOT TO RECOVERY MODE
DDR TEST
POWER DOWN
I tried flashing thru SD card. I downloaded the package in one of the thread here in XDA. the
flashing of package aborted because my device is not compatible with Asian stock ROM, it was
looking for Europe ROM.
I tried the SP flash tool
I tried the scatter file
still, i cannot repair my device.
sorry for the long post, i really need your help.
Thank you
Click to expand...
Click to collapse
Greetings and welcome to assist. I can see you have asked this question before
https://forum.xda-developers.com/general/xda-assist/htc-desire-820s-stuck-boot-booting-t3524475
if the procedure didn't work try asking the experts in the thread you were linked and they will help guide you
Good Luck
Sawdoctor

TWRP Not installing?

I have been trying for nearly 2 hours to get the latest TWRP installed on my Sprint U11.
When i attempt to boot to bootloader mode i get a screen with
"Press volume key to select, and press power key to select"
FastBoot
Product name - QC_Reference_Phone
Variant - MSM UFS
Bootloader version -
Baseband version -
Serial Number - FA75Y0501736
SECURE BOOT - PRODUCTION
SECURE STATE - S-ON
DEVICE STATE - UNLOCKED (U)
***Software status: Official ***
No matter what option i choose (download, bootloader, recovery)
It brings me back to the same screen.
got it figured out., feel free to close/delete
Care to share what the problem was? Im currently having this same issue on my u11.
he needed to be in Download Mode not Bootloader mode
I figured out my issue. I was using the TWRP image for my old HTC 10....... haha. I downloaded the right image and it worked fine.

[FINAL][RECOVERY][Z010D]ASUS Zenfone Max ZC550KL Marshmallow

Introduction
I've been researching on how to install TWRP on Zenfone Max with Final Marshmallow update for a long time, and finally found and gathered information on how to do so without any consequences. So if you're on final Marshmallow update and want to install TWRP on your phone, then this guide is for you! P.S. This is for Z010D only.
How To Install TWRP
1. Download this APK on your phone to unlock your bootloader : https://drive.google.com/open?id=0B-0qEY9zypslUTFKRE5CQUU5OFk
The app says it will wipe all data, but with my experience it doesn't wipe any data at all. However, I still recommend you to take a backup.
2. Download this zip to your computer and extract it : https://drive.google.com/file/d/0B2kFletApi72QkRLZnFURDUyZk0/view
3. Download this TWRP 3.2.3-0 image : https://sourceforge.net/projects/an...covery/TWRP-3.2.3-Z010D-20180729.img/download
4. Merge the TWRP 3.2.3 image to the extracted zip
5. Make sure you have USB Debugging on and put your phone into Fastboot mode [Hold Volume Up + Power] and connect it to the computer
6. In the extracted zip folder search bar, type 'cmd' and press Enter
7. Type 'fastboot devices' and press Enter, to see if your phone is detected
8. Type 'fastboot flash recovery TWRP-3.2.3-Z010D-20180729.img' and press Enter
9. Disconnect the phone and Hold 'Volume Down + Power', when you see the ASUS logo let go the Power, but keep holding Volume Down until you see the TWRP logo
Congratulations, you've successfully installed TWRP!
Video
If you're too lazy to read like me, here's the video : https://www.youtube.com/watch?v=EwuiHBIts7M
WhatzIt2Ya said:
Introduction
I've been researching on how to install TWRP on Zenfone Max with Final Marshmallow update for a long time, and finally found and gathered information on how to do so without any consequences. So if you're on final Marshmallow update and want to install TWRP on your phone, then this guide is for you!
Before We Get Started
Download these files on your phone and move it to the root of the storage :
1. Magisk 17.1 : https://github.com/topjohnwu/Magisk/releases/download/v17.1/Magisk-v17.1.zip
2. (Optional) TWRP 3.1.1 image : https://androidfilehost.com/?fid=745849072291687209
How To Install TWRP
1. Download this APK on your phone to unlock your bootloader : https://drive.google.com/open?id=0B-0qEY9zypslUTFKRE5CQUU5OFk
The app says it will wipe all data, but with my experience it doesn't wipe any data at all. However, I still recommend you to take a backup.
2. Download this zip to your computer and extract it : https://drive.google.com/file/d/0B2kFletApi72QkRLZnFURDUyZk0/view
3. Make sure you have USB Debugging on and put your phone into Fastboot mode [Hold Volume Up + Power] and connect it to the computer
4. In the extracted zip folder search bar, type 'cmd' and press Enter
5. Type 'fastboot devices' and press Enter, to see if your phone is detected
6. Type 'fastboot flash recovery Z010_3.0.0.t1_without_su.img' and press Enter
7. Disconnect the phone and Hold 'Volume Down + Power', when you see the ASUS logo let go the Power, but keep holding Volume Down until you see the TWRP logo
Congratulations, you've successfully installed TWRP!
Optional If you've downloaded TWRP 3.1.1 image, headover to 'Install' and select 'Install Image', then select the TWRP 3.1.1 image, then select Recovery and finally swipe to flash to update TWRP. To reboot back into recovery, press home, select reboot, and then recovery. You should see the TWRP version 3.1.1 upon reboot.
How To Root with TWRP
1. Boot into recovery and select 'Install'
2. Select Magisk zip and swipe to flash
3. Reboot to your OS, you should see a new app that is Magisk
Congratulations, you've successfully installed TWRP and Magisk!
Video
If you're too lazy to read like me, here's the video : https://www.youtube.com/watch?v=EwuiHBIts7M
Click to expand...
Click to collapse
Hey bro , seems you've been in mars and just arrived on Earth ! There's no issue whatsoever with installing twrp and rooting ZC550KL, there are lots of threads and video on YouTube about this for more than a year now.
jide1 said:
Hey bro , seems you've been in mars and just arrived on Earth ! There's no issue whatsoever with installing twrp and rooting ZC550KL, there are lots of threads and video on YouTube about this for more than a year now.
Click to expand...
Click to collapse
Yes, but some comments have issues where will it work with different versions (or updates), as the last update ASUS pushed was around Dec 17/Jan 18 with November 2017 security patch, some of the guides I've tried have failed, or had some issues. Also, some guides tell you to downgrade to marshmallow beta. Anyways, I just thought to do a final guide to root. ?
WhatzIt2Ya said:
Yes, but some comments have issues where will it work with different versions (or updates), as the last update ASUS pushed was around Dec 17/Jan 18 with November 2017 security patch, some of the guides I've tried have failed, or had some issues. Also, some guides tell you to downgrade to marshmallow beta. Anyways, I just thought to do a final guide to root.
Click to expand...
Click to collapse
so basically, is it all about unlocking the bootloader something to root the phone or what?
Singhisme said:
so basically, is it all about unlocking the bootloader something to root the phone or what?
Click to expand...
Click to collapse
Obviously, you need an unlocked bootloader to do any modifications! The only issue is, Asus phones don't show whether you have an unlocked bootloader or not. Sometimes the bootloader unlocker fails.
Jt380p said:
Obviously, you need an unlocked bootloader to do any modifications! The only issue is, Asus phones don't show whether you have an unlocked bootloader or not. Sometimes the bootloader unlocker fails.
Click to expand...
Click to collapse
Then how to be sure my device is locked or unlocked then?
Singhisme said:
Then how to be sure my device is locked or unlocked then?
Click to expand...
Click to collapse
Theres no sign. You just have to trust the app, unfortunately.
Urgent
Hi sir same way i did but TWRP is not showing.only black screen is displaying and i cant restart my phone please help me sir
twrp not showing
Jt380p said:
Theres no sign. You just have to trust the app, unfortunately.
Click to expand...
Click to collapse
I figure it out somehow.. there's something to do with ADB to check by this far it is the only way I know. thanks for the TWRP btw.. Good works!
Jt380p said:
Introduction
I've been researching on how to install TWRP on Zenfone Max with Final Marshmallow update for a long time, and finally found and gathered information on how to do so without any consequences. So if you're on final Marshmallow update and want to install TWRP on your phone, then this guide is for you! P.S. This is for Z010D only.
How To Install TWRP
1. Download this APK on your phone to unlock your bootloader : https://drive.google.com/open?id=0B-0qEY9zypslUTFKRE5CQUU5OFk
The app says it will wipe all data, but with my experience it doesn't wipe any data at all. However, I still recommend you to take a backup.
2. Download this zip to your computer and extract it : https://drive.google.com/file/d/0B2kFletApi72QkRLZnFURDUyZk0/view
3. Download this TWRP 3.2.3-0 image : https://sourceforge.net/projects/an...covery/TWRP-3.2.3-Z010D-20180729.img/download
4. Merge the TWRP 3.2.3 image to the extracted zip
5. Make sure you have USB Debugging on and put your phone into Fastboot mode [Hold Volume Up + Power] and connect it to the computer
6. In the extracted zip folder search bar, type 'cmd' and press Enter
7. Type 'fastboot devices' and press Enter, to see if your phone is detected
8. Type 'fastboot flash recovery TWRP-3.2.3-Z010D-20180729.img' and press Enter
9. Disconnect the phone and Hold 'Volume Down + Power', when you see the ASUS logo let go the Power, but keep holding Volume Down until you see the TWRP logo
Congratulations, you've successfully installed TWRP!
Video
If you're too lazy to read like me, here's the video :
Click to expand...
Click to collapse
anyone have working oem unlock tool for asus zenfone max (zc550kl).
tried so many tools,nothing worked for me
Android_Rom_OTA for ASUS Zenfone Max ZC550KL[Z010D]​
Android_Rom_OTA: ​
Released /LineageOS-OMS/Z010D/lineage-14.1-20180821-UNOFFICIAL-Z010D-OMS.zip​
Released /OreoTest/lineage-15.1-20180817-UNOFFICIAL-Z010D.zip​
Released /TWRP_Recovery/TWRP-3.2.3-Z010D-20180729.img​
Released /LineageOS/Z010D/lineage-14.1-20180729-UNOFFICIAL-Z010D.zip​
Download Android_Rom_OTA​

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