[BOOTLOADER] [4.3] JWR66V 4.23 Now Has Flash able Zip!

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azoller1

Senior Member
Aug 4, 2011
1,928
1,807
My Room
OnePlus 8T
Since i cant seem to make a flashable zip right now im just going to tell how to install it using Fastboot
But if i ever do find a way to make it flashable i will post it here right away

1. Download The ADB and Fastboot Tools: HERE
2. Download The 4.23 Image File: HERE
2a. Rename The File To "4.23.img" so take off a .img
2b. Put The IMG File In Where Your Fastboot Files Are
3. Reboot To Your Bootloader On You Nexus 7 (Power off power button and volume down until you see bootloader screen)
4. Connect Your Nexus 7 To Your Computer
5. Open Up Command Prompt
6. CD to where your fastboot tools were downloaded
maybe: C:\Users\Alex\Downloads\platform-tools
7. Then type:
fastboot devices (to see if its connected correctly)
fastboot flash bootloader 4.23.img
fastboot reboot
8. Then Reboot Back To Your Bootloader And See If It Installed Correctly

FLASHABLE ZIP HERE 4.23 Bootloader- DOWNLOAD DOESNT WORK.....

Dont Forgot To Press Thanks! Enjoy!

IF FASTBOOT DIDNT WORK FOR YOU DOWNLOAD THESE FILES: HERE
THEN FOLLOW THESE INSTUCTIONS: HERE
 
Last edited:

fluxthesky

Senior Member
Jan 7, 2012
83
4
What is the benefit of upgrading to the latest bootloader?

I can run 4.2.2 on the old one fine.
 

atlharp

Senior Member
Jan 21, 2012
560
269
Newton
OnePlus 7T
Re: [BOOTLOADER][4.2.2] JDQ39 Flashable ZIP 4.18 Bootloader IMG In Recovery FIXED

Yeah. That one didn't work . I am still on 4.13. Thanks again for doing this. :)

Sent from my Nexus 7 using xda premium
 
Last edited:

joshuwa

Member
Jan 27, 2011
31
3
Brisbane
I'm still on 3.34 after flashing the zip, I don't think 4.18 zips are working for some reason.

edit: tried mounting everything still no luck.
 
Last edited:

azoller1

Senior Member
Aug 4, 2011
1,928
1,807
My Room
OnePlus 8T
ok uploaded new one, changed file name, and when it finishes downloading, open up terminal emulator, cd to where your file is located so maybe

cd sdcard
cd goomanager

then type in:

busybox md5sum Bootloader-4.18.zip

then reboot to recovery wipe cache and dalvik

then flash file 2 or 3 times

then reboot up to system

then reboot back to bootloader and see if that works
 

850T5m

Senior Member
Nov 13, 2011
507
97
Montreal
Re: [BOOTLOADER][4.2.2] JDQ39 Flashable ZIP 4.18 Bootloader IMG In Recovery FIXED

Still no go for me, flashed it 3 times...Still running 3.41 lol

Can we just extract the img file and use fastboot?

Sent from my Nexus 7 using Tapatalk 2
 

icytrey

Senior Member
Mar 9, 2011
467
134
Samsung Galaxy Note 10+
Re: [BOOTLOADER][4.2.2] JDQ39 Flashable ZIP 4.18 Bootloader IMG In Recovery FIXED

Still no go for me, flashed it 3 times...Still running 3.41 lol

Can we just extract the img file and use fastboot?

Sent from my Nexus 7 using Tapatalk 2

You could have done that a long time ago
:p. Still no go for me either:(
Sent from my HTC One X using xda app-developers app
 

850T5m

Senior Member
Nov 13, 2011
507
97
Montreal
Re: [BOOTLOADER][4.2.2] JDQ39 Flashable ZIP 4.18 Bootloader IMG In Recovery FIXED

You could have done that a long time ago
:p. Still no go for me either:(
Sent from my HTC One X using xda app-developers app

lol I'm lazy tho, so much easier to just flash it in recovery

Sent from my Nexus 7 using Tapatalk 2
 

Marreboy

Senior Member
Jul 3, 2010
111
14
Stockholm
Well the zip doesn't work for me. Still on 3.41.
Guess I have to connect to my computer and use fastboot. Thanks for trying anyway.
 

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  • 228
    Since i cant seem to make a flashable zip right now im just going to tell how to install it using Fastboot
    But if i ever do find a way to make it flashable i will post it here right away

    1. Download The ADB and Fastboot Tools: HERE
    2. Download The 4.23 Image File: HERE
    2a. Rename The File To "4.23.img" so take off a .img
    2b. Put The IMG File In Where Your Fastboot Files Are
    3. Reboot To Your Bootloader On You Nexus 7 (Power off power button and volume down until you see bootloader screen)
    4. Connect Your Nexus 7 To Your Computer
    5. Open Up Command Prompt
    6. CD to where your fastboot tools were downloaded
    maybe: C:\Users\Alex\Downloads\platform-tools
    7. Then type:
    fastboot devices (to see if its connected correctly)
    fastboot flash bootloader 4.23.img
    fastboot reboot
    8. Then Reboot Back To Your Bootloader And See If It Installed Correctly

    FLASHABLE ZIP HERE 4.23 Bootloader- DOWNLOAD DOESNT WORK.....

    Dont Forgot To Press Thanks! Enjoy!

    IF FASTBOOT DIDNT WORK FOR YOU DOWNLOAD THESE FILES: HERE
    THEN FOLLOW THESE INSTUCTIONS: HERE
    7
    flashable zip

    Hi there,

    here´s another try of a flashable zip for recovery for the 4.18 bootloader ;) !

    hope it works ...:D
    6
    updated to 4.23 bootloader, flashable zip should work
    5
    Re: [BOOTLOADER][4.2.2] JDQ39 Flashable ZIP 4.18 Bootloader IMG In Recovery

    Will post a new one soon

    Sent from my VS920 4G using Tapatalk 2
    5
    I just learned the coolest trick that for me makes fastboot flashing much easier. I'm on Windows 8 and my default platform tools location is a mile long and I always type it wrong. I just learned that you can open the file you want to be in, hold shift, right click, open command prompt here... Who knew? So simple, and I had no idea that shortcut existed!

    Thanks for giving us quick access to the new bootloader, flashed fine in fastboot.