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Update to DP4 from Official 9.5.11 with root and without data loss

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Tried and tested method to update to DP4 with twrp and root working.
If you update to DP4 directly before installing twrp you will be stuck without twrp.

You need USB pendrive and otg for it.

Steps
1. Update your phone to latest available official version.
2. Boot to fastboot and install TWRP (of course you need boot loader unlocked)
3. Flash DP4 from Thumbrive (keep it in external storage only)
4. Flash Recivery TWRP.zip from thumb drive
5. Reboot recovery
5. Flash DP4 again followed by Twrp.zip
6. Reboot recovery and flash magisk and any other mods you need.
7. Reboot

If you followed every steps correctly you will have working TWRP and root on DP4.

I am using it since DP2 and never had issues.

Note. Since Q diesnt allow twrp to read internal storage you will need usb drive for flashing mod also.


I have uploaded a video with DP4 Features if you want to know about its features.
New features
1. Volte working
2. Names of themes changed
3. System UI settings changed
4. Fingerprint faster
5. Overall phone is faster now.

Removed google assistant swipe shortcut.

Video link here
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3rd August 2019, 03:30 PM |#2  
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Too late for me I currently stuck with DP4 with no TWRP. any idea how can I get TWRP again. The fastboot command isn't working anymore.
3rd August 2019, 03:31 PM |#3  
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Quote:
Originally Posted by Bosstazem

Too late for me I currently stuck with DP4 with no TWRP. any idea how can I get TWRP again. The fastboot command isn't working anymore.

You need to use msm tool for reverting to stock
Or Stock reset rom for downgrade.
Then follow my steps
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3rd August 2019, 03:53 PM |#4  
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Is there any way to downgrade without MSM tool? I have a Mac. Local update doesn't work. Thanks for the reply.
3rd August 2019, 04:02 PM |#5  
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Try MP version from DP Version package via local upgrade.
This will be available once the official thread is created by oneplus.
Or you may try DP to MP version for DP3
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3rd August 2019, 07:34 PM |#6  
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Quote:
Originally Posted by jhakjhuk1853

Try MP version from DP Version package via local upgrade.
This will be available once the official thread is created by oneplus.
Or you may try DP to MP version for DP3

The old MP version works!
3rd August 2019, 08:13 PM |#7  
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Quote:
Originally Posted by jhakjhuk1853

You need to use msm tool for reverting to stock
Or Stock reset rom for downgrade.
Then follow my steps

I just used the stock firmware .img file via fastboot. I restored 9.5.7 with no issues. Of course you'll lose all your data.
3rd August 2019, 08:47 PM |#8  
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Quote:
Originally Posted by Bosstazem

Too late for me I currently stuck with DP4 with no TWRP. any idea how can I get TWRP again. The fastboot command isn't working anymore.

I was able to install twrp and magisk on dp3, i think you can do it with dp4 aswell.

I just fastboot flash boot twrp.img , it says slot a ok, slot b fail.
So i switched active slots and reboot, which boots to twrp installed on other slot. While in twrp (which cannot access data) i installed twrp through adb, switched active slot and installed twrp again. Same for magisk 19.4 installer.
After installing twrp and magisk to both slots i switched active to B and rebooted, which took me to rooted dp4.

Hope that made any sense

Oh and while in twrp, i used twrp installer (latest) to install twrp to both slots.
5th August 2019, 01:26 AM |#9  
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why do you possibly need to flash the rom and twrp TWICE? shouldn't the usual upgrade process for a rom if you are already rooted still work?

Flash the Q rom
flash twrp
reboot to recovery
flash magisk?

don't understand the reason to flash both twrp and the rom 2 times as posted in the instructions

regardless, i followed the exact steps and it didn't work for me. i boot to a plain black screen and can't get past it. any ideas?
6th August 2019, 03:17 AM |#10  
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Quote:
Originally Posted by knives of ice

why do you possibly need to flash the rom and twrp TWICE? shouldn't the usual upgrade process for a rom if you are already rooted still work?

Flash the Q rom
flash twrp
reboot to recovery
flash magisk?

don't understand the reason to flash both twrp and the rom 2 times as posted in the instructions

regardless, i followed the exact steps and it didn't work for me. i boot to a plain black screen and can't get past it. any ideas?

Repeating the steps twice installs the ROM to both system slots
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6th August 2019, 04:17 PM |#11  
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Quote:
Originally Posted by jhakjhuk1853

Tried and tested method to update to DP4 with twrp and root working.
If you update to DP4 directly before installing twrp you will be stuck without twrp.

You need USB pendrive and otg for it.

Steps
1. Update your phone to latest available official version.
2. Boot to fastboot and install TWRP (of course you need boot loader unlocked)
3. Flash DP4 from Thumbrive (keep it in external storage only)
4. Flash Recivery TWRP.zip from thumb drive
5. Reboot recovery
5. Flash DP4 again followed by Twrp.zip
6. Reboot recovery and flash magisk and any other mods you need.
7. Reboot

If you followed every steps correctly you will have working TWRP and root on DP4.

I am using it since DP2 and never had issues.

Note. Since Q diesnt allow twrp to read internal storage you will need usb drive for flashing mod also.


I have uploaded a video with DP4 Features if you want to know about its features.
New features
1. Volte working
2. Names of themes changed
3. System UI settings changed
4. Fingerprint faster
5. Overall phone is faster now.

Removed google assistant swipe shortcut.

Video link here


Can you elaborate on step 2? Do we flash twrp.zip the same as the other steps? or do we flash the twrp-installer?
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