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How to access fastboot and recovery

Hello all, I have a Nexus S and I want to try CM9.0 on it.
How could I access to fastboot (to flash the kernel) and recovery (to flash the ROM)?
Thanks and best regards.

recovery: volume key(-), power button and home button

musti19 said:
recovery: volume key(-), power button and home button
Click to expand...
Click to collapse
Noo! The nexus s uses power and volume up at the same time. just the two buttons.
oops! accidentally beamed from my awesome NEXUS S!

Billchen0014 said:
Noo! The nexus s uses power and volume up at the same time. just the two buttons.
oops! accidentally beamed from my awesome NEXUS S!
Click to expand...
Click to collapse
This. You'll need to unlock first (if it's not already unlocked), then flash a custom recovery. No need to flash the kernel via fastboot, they come in flashable zips and a working kernel is part of every ROM you will find.

Hello, thanks for the replys.
I have unlocked the bootloader. I have this file: cm-9-20120618-NIGHTLY-crespo.zip
With other devices, I use to flash the kernel with fastboot:
Code:
# ./fastboot flash boot boot.img
Then, enter to recovery mode and install the ROM and Google Apps.
Is this the way to install CM9.0 on the Nexus S?
Thanks and best regards.

Flashing the zip installs the kernel too. No need to do it separately.

Harbb said:
Flashing the zip installs the kernel too. No need to do it separately.
Click to expand...
Click to collapse
Thanks for the reply.
Sorry for the newby question, how must I install the zip file?
Thanks and best regards.

Through CWM (or other) preferred recovery. As i said, your phone will need to be unlocked and you'll need to flash the custom recovery via fastboot. After this, boot into recovery and flash the .zip file.

Harbb said:
Through CWM (or other) preferred recovery. As i said, your phone will need to be unlocked and you'll need to flash the custom recovery via fastboot. After this, boot into recovery and flash the .zip file.
Click to expand...
Click to collapse
Thanks again.
How do I flash the custom recovery via fastboot? Sorry, but with the Xperia devices I have no problem, I just go to fastboot mode to flash the kernel, then reboot and enter recovery mode to flash the ROM.
Kind regards.

This rooting guide gives you all the basics. How to setup fastboot and Nexus S drivers, how to unlock if you are not already (note you lose ALL PERSONAL DATA on the phone unlocking - even sdcard) and how to flash a custom recovery. Only the last part is actually rooting the phone so you can ignore that for your purposes, the rest are necessary.
The only difference is you'll want the latest custom recovery. Note if you reboot into stock android it will replace the custom recovery (delete /system/etc/install-recovery.sh to stop this) each boot. After this, boot into recovery, install zip from sdcard and select the ROM.

Thanks.
I unlock it and now I have a clean device.
When I try to go to recovery it just restart, I can not go to recovery mode.
Am I missing any step?
Best regards.

I got it, just install the recovery this way:
Code:
# ./fastboot flash recovery recovery-clockwork-5.0.2.0-crespo.img
I just install CM9.0 and it works great.
Best regards.

[RECOVERY][UNOFFICIAL] ClockworkMod Recovery v6.0.4.5 for HTC Desire

This is a completely vanilla build of latest CWM (6.0.4.5) from cyanogenmod and evervolv sources! Thank You guys!
https://github.com/Evervolv
https://github.com/CyanogenMod
Download recovery.img:
http://d-h.st/eOU

Shmarkus said:
This is a completely vanilla build of latest CWM (6.0.4.5) from cyanogenmod and evervolv sources! Thank You guys!
https://github.com/Evervolv
https://github.com/CyanogenMod
Download recovery.img:
http://d-h.st/eOU
Click to expand...
Click to collapse
How to install?

Using fastboot commands
fastboot flash recovery recovery.img

Flashing instructions
polac said:
How to install?
Click to expand...
Click to collapse
connect your phone
reboot to fastboot (in one of the following ways)
- use phone shutdown menu (if reboot to bootloader is there)
- use adb: "adb reboot bootloader"
- start phone with holding down volume down + power
flash recovery via fastboot: "fastboot flash recovery <path to recovery here>/recovery.img
You should see 2 lines: writing recovery .. OK, flashing recovery.. OK.
If You already have older version of CWM, be sure to back up system first. When something happens during flash, You don't like the new CMW version or recovery image is corrupt for some reason, You can always flash Your old recovery back.
Your phone must be rooted and bootloader unlocked.
Check out more detailed instructions at http://www.androidauthority.com/desire-clockworkmod-touch-recovery-55857/ (in Instructions paragraph)
And as always: do it on Your own risk! Happy flashing!

Hi, does anyone knows if its possible to use Flashify to flash this?
Tks

stark_br said:
Hi, does anyone knows if its possible to use Flashify to flash this?
Tks
Click to expand...
Click to collapse
I think this shouldn't be a problem, since this is a standard image and I think that flashify uses DD or similar to write appropriate partition. You should check with the app developer, though!

Pre-rooted .185 new mm update

Please anyone have a prerooted version of the new mm update.
Or how to update in locked bootloadercan i flash via flashtool or via recovery??
Thank you

You can't have root on locked bootloader
Sent from my Xperia™ Z5 using Tapatalk

I have unlocked bootloader.
How to update to new firmware.
I have the boot for .163
It work on .185

This is not the right place to ask questions.PM me and I will help you root or open a thread in general forum.
If you have unlocked BL just flash a custom kernel to get root like this one
http://forum.xda-developers.com/xperia-z5/development/kernel-andropluskernel-v1-t3246100

josephnero said:
This is not the right place to ask questions.PM me and I will help you root or open a thread in general forum.
If you have unlocked BL just flash a custom kernel to get root like this one
http://forum.xda-developers.com/xperia-z5/development/kernel-andropluskernel-v1-t3246100
Click to expand...
Click to collapse
Well, copy and paste the guide to my PM box as well please. Or make a new thread because there's really no one central and up-to-date thread about what exactly you need in one post. Everything seems scattered around and thus I haven't too figured out what and how because I guess I'm probably missing some stuff.

Falenone said:
Well, copy and paste the guide to my PM box as well please. Or make a new thread because there's really no one central and up-to-date thread about what exactly you need in one post. Everything seems scattered around and thus I haven't too figured out what and how because I guess I'm probably missing some stuff.
Click to expand...
Click to collapse
New ROM ?
1) Enter fastboot mode
Flash TWRP
Code:
fastboot flash recovery twrp-...-.img
2) Flash Kernel
Code:
fastboot flash boot boot.img
3) Boot kernel via fastboot and enter TWRP
Code:
fastboot boot boot.img
4) During boot of the kernel press vol up (once the notification LED changes) -> color changes to deeper orange -> you enter TWRP
swipe and skip forward --> Reboot -> Recovery
5) You're in TWRP again, now partitions work
6) install SuperSU (UPDATE-SuperSU-v2.46.zip works great)
7) reboot -> System
8) ???
9) Profit !

Thank you
zacharias.maladroit said:
New ROM ?
1) Enter fastboot mode
Flash TWRP
Code:
fastboot flash recovery twrp-...-.img
2) Flash Kernel
Code:
fastboot flash boot boot.img
3) Boot kernel via fastboot and enter TWRP
Code:
fastboot boot boot.img
4) During boot of the kernel press vol up (once the notification LED changes) -> color changes to deeper orange -> you enter TWRP
swipe and skip forward --> Reboot -> Recovery
5) You're in TWRP again, now partitions work
6) install SuperSU (UPDATE-SuperSU-v2.46.zip works great)
7) reboot -> System
8) ???
9) Profit !
Click to expand...
Click to collapse
Thank you for your help
I will try ltr when i finish the .ftf download

zacharias.maladroit said:
New ROM ?
Long guide here
Click to expand...
Click to collapse
Thanks for the guide.
This guide I use to flash old LP ROM? Then I can use the temp root that pulls TA keys and that stuff so I can have my original ones if needed, then I go back to MM using this, unlock bootloader and have root?
Right?

http://forum.xda-developers.com/xperia-z5/general/guide-rooting-unlocking-bootloader-t3354307

[QUESTION] Problems flashing a rom

I had a Xperia L, its pretty old now but i wanted to do something with it like trying out Android Nougat feel on Xperia L
So i googled much (I don't have much knowledge in phones and flashing), I tried installing this https://forum.xda-developers.com/xperia-l/orig-development/rom-cyanogenmod-14-alpha-1-t3469162
Lineage OS on Xperia L(taoshan) by corphish
I read few of the blog posts about flashing a custom rom on Xperia L, and I got to know that the steps to install a custom rom are:
1. Root your phone
2. Unlock Bootloader
3. Install TWRP/CWM or some custom recovery
4. Flash the rom from SD Card or Internal Storage(Clear Cache, DALVIK CACHE obv)
I did root my phone with KingRoot APK
Did unlock bootloader with the official SONY Technique, but the thing happened was my phone went into a bootloop (boot animation didn't stop) although i fixed it by flashing the official stock ftf and when i turned my device on my Root and Bootloader was gone again
Could someone recommend me a solution to this issue
(Might be a way to directly flash the lineage rom from the PC/or some flasher app which takes all the load to flash a rom/
Or just a possible fix)
Thanks ! (In Advance)
~Haji

Hi Haji joon
Maybe you should try unlocking your bootloader with flashtool v0.9.18.4 , Then turn off your phone.
Then extract the "boot.img" file from the custom ROM's zip file and use adb&fastboot (you can get it from here: https://androiddatahost.com/bnjkh ) then copy boot.img file to the installation folder of adb&fastboot and connect your phone in fastboot mode (volume up + connect to pc) and type the command below, in fastboot app:
" fastboot flash boot boot.img "
Now you can turn on your phone and press volume up to enter recovery, and install any custom ROM you want

Kungfu73 said:
Hi Haji joon
Maybe you should try unlocking your bootloader with flashtool v0.9.18.4 , Then turn off your phone.
Then extract the "boot.img" file from the custom ROM's zip file and use adb&fastboot (you can get it from here: ) then copy boot.img file to the installation folder of adb&fastboot and connect your phone in fastboot mode (volume up + connect to pc) and type the command below, in fastboot app:
" fastboot flash boot boot.img "
Now you can turn on your phone and press volume up to enter recovery, and install any custom ROM you want
Click to expand...
Click to collapse
Thanks but have you tried this method ? (also the boot.img you were referring to do you mean the boot.img of the recovery?)

Yes!
LordHaji said:
Thanks but have you tried this method ? (also the boot.img you were referring to do you mean the boot.img of the recovery?)
Click to expand...
Click to collapse
In order to flash Nougat ROM, you must have latest TWRP recovery (v 3.0.2 for xperia L)
So, you should either flash TWRP image or the boot.img of any Nougat rom( because they have latest TWRP in them) and flashing boot.img is somehow safer in xperia L (but no difference in them)
And about boot.img, it is in the ROM file that you've downloaded. For example, in Lineage rom's zip installation file, there's a file named boot.img . You should extract and use it in the process I've said before.
And if anywhere you encounter with a problem, simply you can flash stock ROM and start again
And sorry for my long post!

Kungfu73 said:
In order to flash Nougat ROM, you must have latest TWRP recovery (v 3.0.2 for xperia L)
So, you should either flash TWRP image or the boot.img of any Nougat rom( because they have latest TWRP in them) and flashing boot.img is somehow safer in xperia L (but no difference in them)
And about boot.img, it is in the ROM file that you've downloaded. For example, in Lineage rom's zip installation file, there's a file named boot.img . You should extract and use it in the process I've said before.
And if anywhere you encounter with a problem, simply you can flash stock ROM and start again
And sorry for my long post!
Click to expand...
Click to collapse
Final Query are you sure that the ROM i linked in has TWRP & could you tell me bout the best Xperia L Kernel ?

LordHaji said:
Final Query are you sure that the ROM i linked in has TWRP & could you tell me bout the best Xperia L Kernel ?
Click to expand...
Click to collapse
Actually, I'm not sure about Lineage 14.1, because I've only tested it on RR Rom. But you can simply test it with no worries! Or just use the first method that I've told you before.
And about kernel, unfortunately there is no usable kernel developed for XL Nougat ROMs till now :crying: . You should use the ROM's default one.

..

Kungfu73 said:
Actually, I'm not sure about Lineage 14.1, because I've only tested it on RR Rom. But you can simply test it with no worries! Or just use the first method that I've told you before.
And about kernel, unfortunately there is no usable kernel developed for XL Nougat ROMs till now :crying: . You should use the ROM's default one.
Click to expand...
Click to collapse
Ok, can you give me the download URL for latest RR for XL ?
(I don't think its 7.1.1 yet) @Kungfu73

LordHaji said:
Ok, can you give me the download URL for latest RR for XL ?
(I don't think its 7.1.1 yet) @Kungfu73
Click to expand...
Click to collapse
Here you are:
https://www.androidfilehost.com/?fid=745425885120743168
Use this one. It's latest stable version of RR 7.1.2 ROM (2017/06/20). It has no bugs (but install some other file managers, default one can't access sdcard0)
There was a problem in last one (2017/07/06) but developer is working on it and maybe release an update soon ( I hope).

So I'll try it out today with the boot.img of the RR rom
Also for the ROM updates do i need it flash it again or is there some OTA updating feature ?

Ok, I again did unlock the bootloader and its in bootloop state again, will i start the flash mode (volume down + usb cable insert) and then load the boot.img of RR with
" fastboot flash boot boot.img " ?
Then i can power + volume up to start TWRP and install it right ?

LordHaji said:
So I'll try it out today with the boot.img of the RR rom
Also for the ROM updates do i need it flash it again or is there some OTA updating feature ?
Click to expand...
Click to collapse
Although there is an OTA update center, but it doesn't show latest updates! So you should check here in forum for updates!
---------- Post added at 06:24 AM ---------- Previous post was at 06:05 AM ----------
LordHaji said:
Ok, I again did unlock the bootloader and its in bootloop state again, will i start the flash mode (volume down + usb cable insert) and then load the boot.img of RR with
" fastboot flash boot boot.img " ?
Then i can power + volume up to start TWRP and install it right ?
Click to expand...
Click to collapse
No, you should press volume up and use fastboot mode to flash boot.img
Then type fastboot reboot and disconnect cable and press volume up when LED lights on.

Also, for recovery mode do i need to press the volume up button continuously or just long press it

LordHaji said:
Also, for recovery mode do i need to press the volume up button continuously or just long press it
Click to expand...
Click to collapse
Quickly pressing one time when phone vibrates is enough, but it's better to press 2-4 times continuously.

Can't boot into twrp recovery

After rooting Xperia m2 dual model I unlocked the bootloader through official Sony developer website. Then after it I installed twrp through twrp manager. Installation was successful but now I am unable to boot into recovery mode(before installing twrp also). Even I have used fastboot to reboot into recovery mode!! Any idea about what is the problem?? As per some solution I tried to upgrade the bootloader via Emma but the service was not available for Xperia m2 dual. I need to flash Lineage ROM! For this I need to boot into recovery mode! Any solution to boot into recovery mode???

Sachin857 said:
After rooting Xperia m2 dual model I unlocked the bootloader through official Sony developer website. Then after it I installed twrp through twrp manager. Installation was successful but now I am unable to boot into recovery mode(before installing twrp also). Even I have used fastboot to reboot into recovery mode!! Any idea about what is the problem?? As per some solution I tried to upgrade the bootloader via Emma but the service was not available for Xperia m2 dual. I need to flash Lineage ROM! For this I need to boot into recovery mode! Any solution to boot into recovery mode???
Click to expand...
Click to collapse
Try updating your bootloader via Emma (Emma is Sony official flashtool.)
After updating download FlashTool (not Emma! Search in Google Flashtool 0.9.23.2)
Open Flashtool and click BLU icon (BootloaderUnlock)
Get your serial and unlock code from Sony Developer World.
When you done try flashing TWRP via fastboot using command in cmd :
fastboot flash recovery [drag TWRP img file to cmd)
It shoud work

I guess you have not read my Post completely! I hav e done all this process. Especially while updating bootloader from Emma it's showing that service is not available for my mobile! I have already installed twrp through twrp manager! Installation was successful but I am unable to boot into twrp recovery! I was just thinking if i try to install original custom ROM again will I get back that old bootloader???

Sachin857 said:
I guess you have not read my Post completely! I hav e done all this process. Especially while updating bootloader from Emma it's showing that service is not available for my mobile! I have already installed twrp through twrp manager! Installation was successful but I am unable to boot into twrp recovery! I was just thinking if i try to install original custom ROM again will I get back that old bootloader???
Click to expand...
Click to collapse
You have model D2302?

skrubxgt said:
You have model D2302?
Click to expand...
Click to collapse
Please stop to make this if you don;t know.
Don't believe skrubxgt . . . PLEASE ADMINS can protect us form skrubxgt

Really, I wanna help and you do something wrong (bricked?). Just look at YouTube lol. If you don't know how to unlock bootloader just don't do it. And you are stupid. N00B.
Wysłane z mojego XPERIA M2 przy użyciu Tapatalka

skrubxgt said:
You have model D2302?
Click to expand...
Click to collapse
Yep!!! U r right!!!is there any solution???

This worked for me...
Sachin857 said:
Yep!!! U r right!!!is there any solution???
Click to expand...
Click to collapse
I have the same problem, can't access TWRP...
To flash the ROMs LineageOS 14.1 and Resurrection Remix-N RC2 (in use), I did...
Followed the ROM installation instructions (IMPORTANT!)
In the TWRP step.... I made this:
*** I am not responsible for bricked devices, etc....***
*** AFTER THIS YOU WILL NOT BE ABLE TO INIITIALIZE DE S.O. ANYMORE ***
*** YOU'LL ONLY BE ABLE TO BOOT S.O. AGAIN AFTER THE ROM FLASH ***
Step 0 - Before anything, copy the ROM zip and GAPPS to external sdcard
Step 1 - Connect your phone to your pc in Fastboot mode (Turn off your phone and connect usb while pressing vol up)
Step 2 - Open Flashtool (0.9.18.6) > click on Thunder button > select FastBoot Mode > click OK
Step 4 - Click on Seletct kernel to Flash > in the window Kernel Chooser, click on *.sin and change it to *.img, Now Select twrp-3.1.0-b2.img and OK.
TWRP WILL BE FLASHED and will be the only thing that will work...
Step 5 - Flash the ROM and GAPPS (if you want)
Enjoy the new S.O.!
Edit: The above method works, but its better to do the right way...
I thought I had updated the bootloader, but actually I didn't... After following this, specifically this, TWRP works!
Sorry for the confusion!

playerum said:
I have the same problem, can't access TWRP...
To flash the ROMs LineageOS 14.1 and Resurrection Remix-N RC2 (in use), I did...
Followed the ROM installation instructions (IMPORTANT!)
In the TWRP step.... I made this:
*** I am not responsible for bricked devices, etc....***
*** AFTER THIS YOU WILL NOT BE ABLE TO INIITIALIZE DE S.O. ANYMORE ***
*** YOU'LL ONLY BE ABLE TO BOOT S.O. AGAIN AFTER THE ROM FLASH ***
Step 0 - Before anything, copy the ROM zip and GAPPS to external sdcard
Step 1 - Connect your phone to your pc in Fastboot mode (Turn off your phone and connect usb while pressing vol up)
Step 2 - Open Flashtool (0.9.18.6) > click on Thunder button > select FastBoot Mode > click OK
Step 4 - Click on Seletct kernel to Flash > in the window Kernel Chooser, click on *.sin and change it to *.img, Now Select twrp-3.1.0-b2.img and OK.
TWRP WILL BE FLASHED and will be the only thing that will work...
Step 5 - Flash the ROM and GAPPS (if you want)
Enjoy the new S.O.!
Edit: The above method works, but its better to do the right way...
I thought I had updated the bootloader, but actually I didn't... After following this, specifically this, TWRP works!
Sorry for the confusion!
Click to expand...
Click to collapse
after I connect my phone it says
ERROR - Drivers need to be installed for connected device.
ERROR - You can find them in the drivers folder of Flashtool.
And from the driver folder i can't install the drivers
what should I do to install the drivers ?

IS your phone rooted ??

Billabomb75 said:
IS your phone rooted ??
Click to expand...
Click to collapse
Yes it's rooted

Simorize said:
Yes it's rooted
Click to expand...
Click to collapse
Flash TWRP 3.1.0 from Rashr(Download from play store)
Twrp:https://androidfilehost.com/?fid=673368273298952396

Why don't you flash firmware first, then update bootloader and install TWRP via CMD and then flash ROM.

playerum said:
I have the same problem, can't access TWRP...
To flash the ROMs LineageOS 14.1 and Resurrection Remix-N RC2 (in use), I did...
Followed the ROM installation instructions (IMPORTANT!)
In the TWRP step.... I made this:
*** I am not responsible for bricked devices, etc....***
*** AFTER THIS YOU WILL NOT BE ABLE TO INIITIALIZE DE S.O. ANYMORE ***
*** YOU'LL ONLY BE ABLE TO BOOT S.O. AGAIN AFTER THE ROM FLASH ***
Step 0 - Before anything, copy the ROM zip and GAPPS to external sdcard
Step 1 - Connect your phone to your pc in Fastboot mode (Turn off your phone and connect usb while pressing vol up)
Step 2 - Open Flashtool (0.9.18.6) > click on Thunder button > select FastBoot Mode > click OK
Step 4 - Click on Seletct kernel to Flash > in the window Kernel Chooser, click on *.sin and change it to *.img, Now Select twrp-3.1.0-b2.img and OK.
TWRP WILL BE FLASHED and will be the only thing that will work...
Step 5 - Flash the ROM and GAPPS (if you want)
Enjoy the new S.O.!
Edit: The above method works, but its better to do the right way...
I thought I had updated the bootloader, but actually I didn't... After following this, specifically this, TWRP works!
Sorry for the confusion!
Click to expand...
Click to collapse
After 3 days I found this post,thank you very much. When flash recovery via fastboot, can't boot to trwrp. Only way is this!