Do I have to downgrade B19 to root? - ZTE Axon 7 Questions & Answers

Let me start off by saying I've been a member of this forum a long time and I'm not new to rooting. However, my last 2 phones didn't have root exploits when I bought them (G5 & Motorola z Force). I'm currently in the B19 build and all the steps I see involve downgrading from b25 to B19 to root. Can I unlock bootloader, root and install twrp while on B19?
Thanks in advance! Thanks to all the wonderful techies & gurus who figure these exploits out.

Yes, as of b25 disabled unlocking. With b19 you're okay.

AFAIK the B25 update disabled fastboot, NOT unlocking. Try axon7toolkit, it should flash a bootloader or sth

Related

A2017U B03 restore to B20 or B27

I was dumb. I decided to flash the euopean Axon 7 (a2017g) B03 twrp file to my phone and now I've lost TWRP (was able to get root back but cannot recover TWRP). I have tried the EDL method and Fastboot. Nothing sticks. So now I am here begging for help from fellow members. How to get my A2017U back to B20 or B27. My bootloader is officially unlocked if that makes a difference.
Thank you.

How to update to B32

I am on the (U) United States version on B25. I am currently unlocked, rooted with supersu, and have TWRP. My phone is wanting me to update to B32. If someone can please remind me how to revert my bootloader and unroot in order for me to install the update, or is there a TWRP flashable version of the update? I have had so much going on for the past year that I have not kept up with the community.
-Thanks
Use DrakenFx's flashable zips. Bootstack and system. Reroot after.

Update to oreo before root or after root? And which TWRP? Tool?

Alright, I have my rare new unlockable G6 and want to get going.
But, you know, I want to update to Oreo 8.0 or even 8.1. Should I do that first before going thru the bootloader unlocking procedure? Or should I update after I root it?
(also is 8.1 something I should seek, or is 8.0 just fine?)
Then what about TWRP? I read that Zefie had it all together, then passed it off to Eliminater74. Do I have to install Zefie’s Melina TWRP 3.2.1 if I unlock the Nougat? Then what, I overwrite that with Eliminater74’s TWRP 3.2.3 when I update to Oreo?
Also, what about Mauronofrio’s Tool All In One? I like the idea, I sure did like the Wugfresh tool. But I am not sure it helps beyond installing drivers. I am not afraid of adb. Is there something useful in this tool?
Please comment if you have experience or knowledge of any of these varied subjects.

Can G5+ be upgraded to Oreo via OTA and then rooted

If I end up with the 4/64 variant (then my 2/32 lives on as some backup device/wifi)...pretty sure it still will have stock Nougat. If I upgrade immediately to Oreo via OTA, can I still unlock the bootloader and root, or unlock it on Nougat and then upgrade via OTA and then root it?
Also, true I couldnt reflash a TWRP backup of a Pie ROM on my 2/32 and into a 4/64?
g 5 +moto
re lock ur bootloader back to stock then up grade to 8.1 if ur a senior member you should know that.2/32 4/64 are hardware in your phone .
Not exactly the answer I was looking for. The exact question is, unlock bootloader on Nougat or unlock after upgrading to Oreo? Or get the unlock code while on Nougat, upgrade to Oreo and then unlock and root?
If you're not currently bootloader unlocked, then you'd be best to take the OTA. After that, you can unlock the bootloader and root. If you're already unlocked, then you'd probably be better off just getting a TWRP flashable oreo build and just flash that. I wouldn't take a TWRP backup from one phone and restore it to another, since it might cause issues with things like serial numbers and IMEI. You'd be better making a backup with Lenovo Moto Smart Assistant or something similar. Just remember that unlocking the bootloader will wipe the phone. So if you re-lock it, or it's not currently locked, make the backup before doing that.
Update to Oreo with LMSA, unlock bootloader then root. Make backup before all. LMSA will prompt you to make back up, I think.

Cannot Unlock Bootloader on My LG G6 H870i

Hi guys, I have a LG G6 H870i (Brazilian version, but no carrier), and I've done everything to officially unlock the bootloader, but when I try to do that method on the LG website, it always says that the my device version is not available to receive bootloader unlock key.
My goal in unlocking the bootloader is to install root (I couldn't without unlocking despite having tried in several ways, including kingoroot) and also custom recovery TWRP (or any other), so that with them I can reach my purpose of installing a Custom Rom such as Lineage OS.
So, is there any way to unlock bootloader other than through LG's website?
If not, is there any way to install root even with the bootloader locked?
And finally, if none of these procedures are possible, is there any way to install twrp or any other custom recovery without needing either an unlocked bootloader or root?
Thank you for your attention.
The answer to all your questions is NO.
No, you cannot bypass the bootloader lock.
No, you'll need to exploit the android which isn't safe and may cause issues other than security. And since you probably have Android 9 it will take while to find a working exploit for it.
Obviously not, you can only "flash" if you have unlocked bootloader.

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