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Hi !
To be clear for all the people !!!
As long as you keep locked bootloader - you can not install any custom recovery ( like CWM or TWRP ) !!!
Without custom recovery - your device is not able to run any custom rom !!!
WHY ?
with locked bootloader you can install only the officialy firmware ! ( or some custom updates, proper signed and does not include rewriting the boot or recovery partition )
when installing an official update will overwrite among others, the boot & recovery partition and system android - all this are in the blob files - ( you can see blob file ~ 820MB if you unpack twice officialy archive )
with unlocked bootloader you can rewrite boot & recovery partition & also system partition ;
practice by unlocking bootloader - first, we allowed to rewrite recovery partitions - so necessary to install a custom recovery and than an custom rom !
by installing an custom recovery - we must only to rewrite the boot partition & system partition - what it includes an custom rom !
To recap :
officialy firmware = blob file , which included : recovery , boot & system partition + ..... ;
custom rom = custom_rom.zip , which included : boot partition & system partition ;
custom recovery = CWM or TWRP , which included only recovery partition ;
On our device Asus TF300T :
recovery partition = twrp.blob or cwm.blob
boot partition = boot.blob ( ... also kernel.blob or or any other file that includes the boot partition .blob )
system partition = /system
A little help for those who remain stuck in boot ( bootloop ) after installing a custom rom :
by installing an custom rom - sure you have already installed an custom recovery !
available only to those who can access custom recovery ( after this step you will install officialy firmware ) : download and unpack officialy firmware archive -> you will get a new zip archive ! now copy this new archive in your device or microSD and flash it in recovery by wiping cache, dalvik-cache & factory-reset !
available if you can access fastboot mode ( after this step you will install officialy firmware ) : download and unpack twice officialy firmware archive and extract blob file ! , now copy blob file and navigate to ../sdk/android-sdk/platform-tools/ , open a cmd command and type:
> fastboot -i 0x0B05 flash staging blob
By installing an officialy firmware 4.1 , bootloader will be updated to JB bootloader !
...also you can try, my Custom Roms for Asus TF300T : 1° BlueAndroid & 2° [email protected]
( Roms based on Stock Asus Firmware : fast , stable & and high performance ! )
regards,
Surdu Petru
Thanks, should be made sticky.
Trimis de pe ASUS Transformer Pad TF300T
vap_66 said:
Thanks, should be made sticky.
Trimis de pe ASUS Transformer Pad TF300T
Click to expand...
Click to collapse
Hi !
Thanks, you're very kind...I do not think it's really that important
...sure, it is quite important for those who do not know - and cover a wide area, almost all android models go by the same principle !
Good luck !:good:
Asus make my tf300t useless now,i cant unlocked bootloader,always said unknown error and network problem....no custom rom for me is dont know what to do with it.anyone can help me?i use 4.1.1 10.4.2.13 from usa.
This thread deserves to be sticky. Please rate it as you see fit. I have given five stars as I see questions daily that are answered here. Very plainly I might add!
Thanks good work!
noriya said:
Asus make my tf300t useless now,i cant unlocked bootloader,always said unknown error and network problem....no custom rom for me is dont know what to do with it.anyone can help me?i use 4.1.1 10.4.2.13 from usa.
Click to expand...
Click to collapse
Hi !
You can try this :
- please, download the last firmware 10.4.2.18 SKU -> US from here !
- extract blob files , put your device in fastboot mode, enable USB debuging in Settings, connect USB cable and , in /platform-tools directory from android sdk type : > fastboot -i 0x0B05 flash staging blob
Now , after installation , try to redownload and install from here ! ( Utility , Version V7 -> Unlock Device App: Unlock boot loader. !)
( it say that is also for JB ! "※This tool now only works with TF300T ICS & JB of TW,US,WW CN SKU. It won’t work on other devices." )
Good luck !
- for use fastboot , you need to have already installed in your PC , android SDK ! :good:
noriya said:
Asus make my tf300t useless now,i cant unlocked bootloader,always said unknown error and network problem....no custom rom for me is dont know what to do with it.anyone can help me?i use 4.1.1 10.4.2.13 from usa.
Click to expand...
Click to collapse
I'm having the same issue. I can't unlock with the app. From what I have read, it has something to do with Asus not having the SN of some devices in the unlocking database.
Sent from my ASUS Transformer Pad TF300T using Tapatalk HD
Sparkimus said:
I'm having the same issue. I can't unlock with the app. From what I have read, it has something to do with Asus not having the SN of some devices in the unlocking database.
Sent from my ASUS Transformer Pad TF300T using Tapatalk HD
Click to expand...
Click to collapse
So bassicaly the only thing we can do is wait?
MikeTrifixion said:
So bassicaly the only thing we can do is wait?
Click to expand...
Click to collapse
I'm afraid you're right..Asus really need to do an update to app for unlock bootloader !
surdu_petru said:
I'm afraid you're right..Asus really need to do an update to app for unlock bootloader !
Click to expand...
Click to collapse
is anyone actually working on getting root for JB? or is all the dev just assuming people can unlock when they are on JB?
tjy8tim said:
is anyone actually working on getting root for JB? or is all the dev just assuming people can unlock when they are on JB?
Click to expand...
Click to collapse
Hi !
Ireally don't know ... I managed to unlock it from the time he was in android ics !
- but as you saw, Asus says it works even if you are in android JB ! ...
thanks for the info good for all
Sparkimus said:
I'm having the same issue. I can't unlock with the app. From what I have read, it has something to do with Asus not having the SN of some devices in the unlocking database.
Sent from my ASUS Transformer Pad TF300T using Tapatalk HD
Click to expand...
Click to collapse
That is correct.
First you must register your tablet. Soon after that the unlock utility will work.
Problem for me is that my serial number comes up as invalid. The number on the bottom of my box, warranty card, and sticker near dock port all match. I've had to submit my proof of purchase to them in order to add my serial number to the database that will allow me to register. Good times.
Anyone have similar issues with registration?
Sent from my VS910 4G using xda premium
downtownscience said:
That is correct.
First you must register your tablet. Soon after that the unlock utility will work.
Problem for me is that my serial number comes up as invalid. The number on the bottom of my box, warranty card, and sticker near dock port all match. I've had to submit my proof of purchase to them in order to add my serial number to the database that will allow me to register. Good times.
Anyone have similar issues with registration?
Sent from my VS910 4G using xda premium
Click to expand...
Click to collapse
I registered with the serial number listed in Android Settings on December 25th. However, the serial number on the box is different. As of today, unlock tool still has the Unknown Error message. Running latest .18 jelly bean. My registration with ASUS shows up as successful. We'll see...
giant25 said:
I registered with the serial number listed in Android Settings on December 25th. However, the serial number on the box is different. As of today, unlock tool still has the Unknown Error message. Running latest .18 jelly bean. My registration with ASUS shows up as successful. We'll see...
Click to expand...
Click to collapse
Have you contacted them yet?
Their support is priceless...I mean worthless. :-/
Sent from my VS910 4G using xda premium
downtownscience said:
Have you contacted them yet?
Their support is priceless...I mean worthless. :-/
Sent from my VS910 4G using xda premium
Click to expand...
Click to collapse
Nope, haven't tried yet. Last resort for me...
Hi!
In case anyone needs this information ! :good:
Registered. We'll see...
downtownscience said:
That is correct.
First you must register your tablet. Soon after that the unlock utility will work.
Problem for me is that my serial number comes up as invalid. The number on the bottom of my box, warranty card, and sticker near dock port all match. I've had to submit my proof of purchase to them in order to add my serial number to the database that will allow me to register. Good times.
Anyone have similar issues with registration?
Sent from my VS910 4G using xda premium
Click to expand...
Click to collapse
Just got done registering my *USED* TF300T. Hopefully soon I will be able to unlock it. <sigh>
First, good afternoon everyone. sorry for my english, I'm Brazilian.
Sunday I installed a MIUI rom on my LG E400.It was the worst mistakes of my life, has several bugs , is very confused and did not match my phone, not have the Portuguese language,and I have to restart my phone all the time . so I decided to install another in its place, entered the recovery, deleted all data, and tried to install the new rom. only living giving packet error (installation aborted). downloaded other roms on my sd, and all gave the same error. I gave up and decided to go back to original rom. only that Windows XP does not recognize my phone! and I have the drivers installed, including lg mobile. when I connect the phone to the computer, it recognizes and says it has to install some drivers. but never installs !! please help me, I do not know what to do (
julianacosta said:
First, good afternoon everyone. sorry for my english, I'm Brazilian.
Sunday I installed a MIUI rom on my LG E400.It was the worst mistakes of my life, has several bugs , is very confused and did not match my phone, not have the Portuguese language,and I have to restart my phone all the time . so I decided to install another in its place, entered the recovery, deleted all data, and tried to install the new rom. only living giving packet error (installation aborted). downloaded other roms on my sd, and all gave the same error. I gave up and decided to go back to original rom. only that Windows XP does not recognize my phone! and I have the drivers installed, including lg mobile. when I connect the phone to the computer, it recognizes and says it has to install some drivers. but never installs !! please help me, I do not know what to do (
Click to expand...
Click to collapse
Next time look into buglist before trying it
Also for installation aborted, IT should tell you what status it threw (like status 6, status 7 and such). If you find out what status it is, report back so I can help you.
julianacosta said:
First, good afternoon everyone. sorry for my english, I'm Brazilian.
Sunday I installed a MIUI rom on my LG E400.It was the worst mistakes of my life, has several bugs , is very confused and did not match my phone, not have the Portuguese language,and I have to restart my phone all the time . so I decided to install another in its place, entered the recovery, deleted all data, and tried to install the new rom. only living giving packet error (installation aborted). downloaded other roms on my sd, and all gave the same error. I gave up and decided to go back to original rom. only that Windows XP does not recognize my phone! and I have the drivers installed, including lg mobile. when I connect the phone to the computer, it recognizes and says it has to install some drivers. but never installs !! please help me, I do not know what to do (
Click to expand...
Click to collapse
Thats why OptiMIUI is coming....:beer:
Sent from my LG-E400 using XDA Free mobile app
F4uzan said:
Next time look into buglist before trying it
Also for installation aborted, IT should tell you what status it threw (like status 6, status 7 and such). If you find out what status it is, report back so I can help you.
Click to expand...
Click to collapse
worse than not know what is the status, but here's a photo I took today trying to install the new rom, but the error message continues
giaki3003 said:
Thats why OptiMIUI is coming....:beer:
Sent from my LG-E400 using XDA Free mobile app
Click to expand...
Click to collapse
this rom is damn lol
julianacosta said:
this rom is damn lol
Click to expand...
Click to collapse
What do you mean?
Sent from my LG-E400 using XDA Free mobile app
julianacosta said:
First, good afternoon everyone. sorry for my english, I'm Brazilian.
Sunday I installed a MIUI rom on my LG E400.It was the worst mistakes of my life, has several bugs , is very confused and did not match my phone, not have the Portuguese language,and I have to restart my phone all the time . so I decided to install another in its place, entered the recovery, deleted all data, and tried to install the new rom. only living giving packet error (installation aborted). downloaded other roms on my sd, and all gave the same error. I gave up and decided to go back to original rom. only that Windows XP does not recognize my phone! and I have the drivers installed, including lg mobile. when I connect the phone to the computer, it recognizes and says it has to install some drivers. but never installs !! please help me, I do not know what to do (
Click to expand...
Click to collapse
make sure you are uring the last recovery?
to use kdz and reflash stock rom on pc use emergency...
julianacosta said:
First, good afternoon everyone. sorry for my english, I'm Brazilian.
Sunday I installed a MIUI rom on my LG E400.It was the worst mistakes of my life, has several bugs , is very confused and did not match my phone, not have the Portuguese language,and I have to restart my phone all the time . so I decided to install another in its place, entered the recovery, deleted all data, and tried to install the new rom. only living giving packet error (installation aborted). downloaded other roms on my sd, and all gave the same error. I gave up and decided to go back to original rom. only that Windows XP does not recognize my phone! and I have the drivers installed, including lg mobile. when I connect the phone to the computer, it recognizes and says it has to install some drivers. but never installs !! please help me, I do not know what to do (
Click to expand...
Click to collapse
Press vol+ and vol - , and power button last, so emergency mode appears, then plug the usb and once ur device will be recognised try to change into stock rom
Hello all,
At this moment, my phone says i have no OS :/
I am trying to recover my phone. ZE551KL.
in twrp i am trying to install the firmware it needs. but it keeps telling me
PLEASE USE THE RIGHT SKU FOR UPDATING...
Error executing updater binary in zip '/external_sd/UL-Z00T-WW-1.17.40.1531-USER.ZIP'
i have tried all the firmware for my phone and i have tried this as well
http://forum.xda-developers.com/zenf...601kl-t3333482
Hey bud! Welcome to the **** show.
Okay so I am currently trying to debug this myself and have help and am struggling like no other!!!
However what I can say is that CM13 from before June 5th might work. Aside from that try to get a img of stock to restore to your phone.
CreativeXtent said:
Hello all,
At this moment, my phone says i have no OS :/
I am trying to recover my phone. ZE551KL.
in twrp i am trying to install the firmware it needs. but it keeps telling me
PLEASE USE THE RIGHT SKU FOR UPDATING...
Error executing updater binary in zip '/external_sd/UL-Z00T-WW-1.17.40.1531-USER.ZIP'
i have tried all the firmware for my phone and i have tried this as well
http://forum.xda-developers.com/zenf...601kl-t3333482
Click to expand...
Click to collapse
if you have TWRP, go with the rom that is titled "stock rooted deodexed".
When I was having problems with my ZE551kl (not anything like the one you've described), that was the only ROM that worked for me.
The audio out port (earphone port) does not work with that ROM, but otherwise it is FANTASTIC
also, check out this:
http://forum.xda-developers.com/zen...ne-2-laser-t3399441/post67336853#post67336853
Could you then update to the next version once that rom was installed?
ericpeacock79 said:
if you have TWRP, go with the rom that is titled "stock rooted deodexed".
When I was having problems with my ZE551kl (not anything like the one you've described), that was the only ROM that worked for me.
The audio out port (earphone port) does not work with that ROM, but otherwise it is FANTASTIC
also, check out this:
http://forum.xda-developers.com/zen...ne-2-laser-t3399441/post67336853#post67336853
Click to expand...
Click to collapse
it is funny you said that. Because i did that soon after posting this and it worked perfect.
Thank you for the help
i did, i dunno if that will fix the port.
I have rooted my s7 edge installed a few roms everything was ok . but today i tried to install a new room then failed it says : kernel not enforcing seandroid something like that when i trie to intall a rom it gives an error: updater process ended with errorr 7 i really dont know what hapened . my smartswitch doesnt recognizes my phone and so I am really stuck here .
i would be very thankfull for any help thanks. and sorry for my english
leonard157 said:
I have rooted my s7 edge installed a few roms everything was ok . but today i tried to install a new room then failed it says : kernel not enforcing seandroid something like that when i trie to intall a rom it gives an error: updater process ended with errorr 7 i really dont know what hapened . my smartswitch doesnt recognizes my phone and so I am really stuck here .
i would be very thankfull for any help thanks. and sorry for my english
Click to expand...
Click to collapse
Try unmount system in twrp, and reflash cusrom
Thank you for help but I have downloadet the stock firmware and installed it via emergency mod in smartswitch so right now I am in stock firmware and i think I am leaving in that way while most of the roms for gs7 edge after a while they become unstable and I am getting some errors so thanks again you and XDA you are amazing just continue making android better .
Hello
I have a Lenovo Tab 3 A8 (TB3-850M) that is bricked. I tried to reflash Stock ROM but it still doesn't boot.
When I do a Memory test everything is fine except
"NAND Flash not found"
"UFS Not Found"
I have read about these errors but I didn't get it working.
Hope to see your help soon!
~DeblaGaming/TechNotesStuff
DeblaGaming said:
Hello
I have a Lenovo Tab 3 A8 (TB3-850M) that is bricked. I tried to reflash Stock ROM but it still doesn't boot.
When I do a Memory test everything is fine except
"NAND Flash not found"
"UFS Not Found"
I have read about these errors but I didn't get it working.
Hope to see your help soon!
~DeblaGaming/TechNotesStuff
Click to expand...
Click to collapse
You originally said:
DeblaGaming said:
Need help with TB3-850M
I flashed TB3-850M Stock ROM using SP Flash tool but my tablet is still stuck on Lenovo Logo! ... plz help I need it fast
Click to expand...
Click to collapse
I may be able to help if you answer the following:
Did the problem start with flashing stock ROM, or did you flash to try to fix existing problem? If preexisting, did it occur with normal use, or while doing any modding?
Did you possibly delete any critical partitions using sp flash tool? Eg, did you use format function?
Nb. I monitor the main TB3-850F threads where you previously posted, but won't know you've replied here unless you mention me or reply using my handle in quote. PW
Hello I actually found out that the device had a corrupt nand/emmc and I can't fix it. So I basicly party it out, sold the parts and threw the rest in the trash