OnePlus 6T McLaren, HydrogenOS to OxygenOS - OnePlus 6T Questions & Answers

I have a OP6T McLaren from China and I'd like to upgrade from HydrogenOS to OxygenOS.
By the way seems like that some people are having problem with bricked phones (also just upgrading OxygenOS to the latest version):
https://forums.oneplus.com/threads/oneplus-6t-a6010-mclaren-brick-phone-i-need-help.971350
Anyone tried this?

cisoprogressivo said:
I have a OP6T McLaren from China and I'd like to upgrade from HydrogenOS to OxygenOS.
By the way seems like that some people are having problem with bricked phones (also just upgrading OxygenOS to the latest version):
https://forums.oneplus.com/threads/oneplus-6t-a6010-mclaren-brick-phone-i-need-help.971350
Anyone tried this?
Click to expand...
Click to collapse
I have a bricked McLaren 6T as well. Any clue where to find a ROM?

JazonX said:
I have a bricked McLaren 6T as well. Any clue where to find a ROM?
Click to expand...
Click to collapse
Look for the fastboot room on here

I am so perplexed at why no one can find my rom. Its right there, under roms. U cant miss it guys.

It's clearly a fascinating cognitive process to be able to land on Q&A section and not having the curiosity to explore the near vicinity and search what's around

nima0003 said:
Look for the fastboot room on here
Click to expand...
Click to collapse
jacksummers said:
I am so perplexed at why no one can find my rom. Its right there, under roms. U cant miss it guys.
Click to expand...
Click to collapse
Striatum_bdr said:
It's clearly a fascinating cognitive process to be able to land on Q&A section and not having the curiosity to explore the near vicinity and search what's around
Click to expand...
Click to collapse
My apologies on your failure to understand my statement, let me rephrase clearly -
I'm not looking for a ported ROM, I need the actual stock ROM as I have a McLaren device which is not not booting due to some mess up - which I assume, can be solved by a stock ROM flash.
Jack, I've read your thread and it seems that there's another user who's having the same issue. The international ROM is not compatible on the McLaren device and it will cause it to bootloop. Mine doesn't bootloop, just stops loading after the splash screen.
Would you by any chance happen to have the initial stock ROM with you which you used to create the port ? Or have you posted it somewhere already which I'm unable ton search and find it? It sucks to be in a country where there is no official OnePlus support available. Any help is much appreciated mate.
Cheers!
P.S. And for the cognitive gentleman, It's far more fascinating I suppose - when you only use your thoughts and experiences to confirm your assumption of me looking for a ported rom whereby the actual cognitive process involves processing the senses (which if you used you'd know that I have a McLaren device and I need the McLaren untouched ROM) as well - so that your strong perception of the kind of people you associate with may not cloud your judgement about truly helpless kind like us in the distant future. Have a great day ahead mate.

JazonX said:
My apologies on your failure to understand my statement, let me rephrase clearly -
I'm not looking for a ported ROM, I need the actual stock ROM as I have a McLaren device which is not not booting due to some mess up - which I assume, can be solved by a stock ROM flash.
Jack, I've read your thread and it seems that there's another user who's having the same issue. The international ROM is not compatible on the McLaren device and it will cause it to bootloop. Mine doesn't bootloop, just stops loading after the splash screen.
Would you by any chance happen to have the initial stock ROM with you which you used to create the port ? Or have you posted it somewhere already which I'm unable ton search and find it? It sucks to be in a country where there is no official OnePlus support available. Any help is much appreciated mate.
Cheers!
P.S. And for the cognitive gentleman, It's far more fascinating I suppose - when you only use your thoughts and experiences to confirm your assumption of me looking for a ported rom whereby the actual cognitive process involves processing the senses (which if you used you'd know that I have a McLaren device and I need the McLaren untouched ROM) as well - so that your strong perception of the kind of people you associate with may not cloud your judgement about truly helpless kind like us in the distant future. Have a great day ahead mate.
Click to expand...
Click to collapse
Another user who has the mclaren device has used my rom. It is the untouched McLaren rom. Exactly. Not a substituted file or anything. It is the 100% mclaren firmware in a flashable format. If u can boot to fastboot, follow my install instructions and u will restore fine. Wipe both slots, then flash rom. And the user u are speaking of has the non McLaren version and ran the msm tool incorrectly. Trust us, flash the rom, u will thank all of us later. My rom is what you are looking for. Mclaren varient cannot flash the intl rom, but it can flash the McLaren rom. Its only a port to the non McLaren users. For all intents and purposes its not a port whatsoever. Its a flashable dump of stock McLaren which is oos 9.0.9. so, to solve your issues, use the rom. I promise man its the stock rom u need.

jacksummers said:
Another user who has the mclaren device has used my rom. It is the untouched McLaren rom. Exactly. Not a substituted file or anything. It is the 100% mclaren firmware in a flashable format. If u can boot to fastboot, follow my install instructions and u will restore fine. Wipe both slots, then flash rom. And the user u are speaking of has the non McLaren version and ran the msm tool incorrectly. Trust us, flash the rom, u will thank all of us later. My rom is what you are looking for. Mclaren varient cannot flash the intl rom, but it can flash the McLaren rom. Its only a port to the non McLaren users. For all intents and purposes its not a port whatsoever. Its a flashable dump of stock McLaren which is oos 9.0.9. so, to solve your issues, use the rom. I promise man its the stock rom u need.
Click to expand...
Click to collapse
Thanks a lot for the prompt response mate. Let's do that.
I'll keep you posted.
Cheers.

jacksummers said:
Another user who has the mclaren device has used my rom. It is the untouched McLaren rom. Exactly. Not a substituted file or anything. It is the 100% mclaren firmware in a flashable format. If u can boot to fastboot, follow my install instructions and u will restore fine. Wipe both slots, then flash rom. And the user u are speaking of has the non McLaren version and ran the msm tool incorrectly. Trust us, flash the rom, u will thank all of us later. My rom is what you are looking for. Mclaren varient cannot flash the intl rom, but it can flash the McLaren rom. Its only a port to the non McLaren users. For all intents and purposes its not a port whatsoever. Its a flashable dump of stock McLaren which is oos 9.0.9. so, to solve your issues, use the rom. I promise man its the stock rom u need.
Click to expand...
Click to collapse
So you confirm that I can flash your ROM/port in my OP6T McLaren with HydrogenOS?
Do I need to unlock the bootloader? Will I get future OTA updates?
Thank you

cisoprogressivo said:
So you confirm that I can flash your ROM/port in my OP6T McLaren with HydrogenOS?
Do I need to unlock the bootloader? Will I get future OTA updates?
Thank you
Click to expand...
Click to collapse
I cannot confirm anything. This all hypothesis. I would bet u can flash it. Yes u must unlock bootloader.i think this will work bc i flash hydrogen on my tmobile variant. No guarantee on ota updates, but u can download yourself and flash with local upgrade. Make sure u backup your sh*t and have a msm tool for your device handy just in case.

jacksummers said:
I cannot confirm anything. This all hypothesis. I would bet u can flash it. Yes u must unlock bootloader.i think this will work bc i flash hydrogen on my tmobile variant. No guarantee on ota updates, but u can download yourself and flash with local upgrade. Make sure u backup your sh*t and have a msm tool for your device handy just in case.
Click to expand...
Click to collapse
Thank you. As far as I know, there's no msm tool for op6t mclaren. Do you have different information about it?

cisoprogressivo said:
Thank you. As far as I know, there's no msm tool for op6t mclaren. Do you have different information about it?
Click to expand...
Click to collapse
I mean the msm for the chinese variant of your OnePlus 6t. Have that on hand, just in case. U can only use msm to restore the phone how it comes from, not a firmware u are currently running

jacksummers said:
I mean the msm for the chinese variant of your OnePlus 6t. Have that on hand, just in case. U can only use msm to restore the phone how it comes from, not a firmware u are currently running
Click to expand...
Click to collapse
As far as i know the msm for OP6T doesn't work for OP6T McLaren.
By the way your firmware worked fine! Now my McLaren has OxygenOS. Thank you very much.
For future purpose I'll leave the link to your ROM here:
https://forum.xda-developers.com/on...mclaren-op6t-port-fastboot-rom-oos-9-t3880768
Can I relock bootloader now?

cisoprogressivo said:
As far as i know the msm for OP6T doesn't work for OP6T McLaren.
By the way your firmware worked fine! Now my McLaren has OxygenOS. Thank you very much.
For future purpose I'll leave the link to your ROM here:
https://forum.xda-developers.com/on...mclaren-op6t-port-fastboot-rom-oos-9-t3880768
Can I relock bootloader now?
Click to expand...
Click to collapse
Oh my bad, i missed the part where u said it was a McLaren version just Chinese. Sorry.. i am unsure if u can relock or not.. could not hurt to try..no prob Happy to help

cisoprogressivo said:
So you confirm that I can flash your ROM/port in my OP6T McLaren with HydrogenOS?
Do I need to unlock the bootloader? Will I get future OTA updates?
Thank you
Click to expand...
Click to collapse
Have you managed to lock it and boot it?
I'm worried about OTA as this device doesn't get the OTA Zip files.

cisoprogressivo said:
As far as i know the msm for OP6T doesn't work for OP6T McLaren.
By the way your firmware worked fine! Now my McLaren has OxygenOS. Thank you very much.
For future purpose I'll leave the link to your ROM here:
https://forum.xda-developers.com/on...mclaren-op6t-port-fastboot-rom-oos-9-t3880768
Can I relock bootloader now?
Click to expand...
Click to collapse
your mclaren flash sucessful fastboot rom V3 in this link ?
do you need unlock bootloader mclaren before ?
then flash it , can you ota update ?
thank you

Yes, everything was fine with that fastboot rom. You need to unlock the bootloader before, but you can relock it after the installation (I did it). The first incremental OTA failed, but the software managed to download the whole firmware (about 1.7GB) and flash it automaticaly, so I'm happy

cisoprogressivo said:
Yes, everything was fine with that fastboot rom. You need to unlock the bootloader before, but you can relock it after the installation (I did it). The first incremental OTA failed, but the software managed to download the whole firmware (about 1.7GB) and flash it automaticaly, so I'm happy
Click to expand...
Click to collapse
I got it. Thank you

In case u guys havent recovered ur McLaren, here's how u do it:
Download both files from here
Once u are finished:
1.- Turn off ur phone
2.- Press volume up + volume down (at the same time, DONT PRESS POWER BUTTON) and plug ur phone into ur computer (the phone will go into QDL mode)
3.- Open msmdownloadtools mclaren
4.- Press START
5.- Wait for it to finish
You will have H2OS installed... now install OOS

Related

help blocked at startup htc after update

Hello
I write because following an update yesterday htc u ultra my companion he does not want to start it is blocked on htc and becomes very hot!
I tried several things seen on xda but there I am completely blocked.
I have access to different things, booloader, recoverry, etc ... but nothing changes I did a factory reset but the problem does not evolve
I tried to flash it with a ROM ruu but he told me that it is not the good CID. taken here https://forum.xda-developers.com/u-...stock-htc-ultra-dual-sim-1-64-400-10-t3758077
after i have an idea but i do not know if this is possible i have access to someone who has the same phone bought at the same place at the same time is it possible to extract the RUU rom to reinject it into that of my wife ???
I am hopeless we leave in 8 days and my wife finds herself without phone can you m help me to find the good RUU or extract that of my friend to reinject it?
the model is this one https://www.eglobalcentral.fr/htc-u-ultra-64go-4g-dual-sim-desimlocke-blanc-fr.html
apparently it's a Taiwanese model double sim
thanks for all the help !!
PS it was all original not rooted nor bootloaded unlocked just the update ota do
It would be better if you post the threads links properly, yours got truncated.
If you have, as you claim, the Taiwanese Dual SIM model you should be able to follow the downgrade procedure from Oreo to Nougat. I did it multiple times.
You cannot extract RUU. It is specially prepared package that performs several upgrade operations separately. You can only make dump of already installed system but for that you do need an unlocked bootloader and custom recovery (TWRP) on both devices.
QDT said:
It would be better if you post the threads links properly, yours got truncated.
If you have, as you claim, the Taiwanese Dual SIM model you should be able to follow the downgrade procedure from Oreo to Nougat. I did it multiple times.
You cannot extract RUU. It is specially prepared package that performs several upgrade operations separately. You can only make dump of already installed system but for that you do need an unlocked bootloader and custom recovery (TWRP) on both devices.
Click to expand...
Click to collapse
sorry i corrected the links.
on the other hand I can do this procedure despite that I have access only to bootloader and recovery?
I'm not an expert I thought I can just flash with a RUU but I can not find one
bibou0007 said:
sorry i corrected the links.
on the other hand I can do this procedure despite that I have access only to bootloader and recovery?
I'm not an expert I thought I can just flash with a RUU but I can not find one
Click to expand...
Click to collapse
It seems to me you have got yourself a wrong RUU. The ones from the post are for India, not Taiwan.
Surely I can not get my hands on a Taiwanese RUU!
do you know where can I find a link?
bibou0007 said:
Surely I can not get my hands on a Taiwanese RUU!
do you know where can I find a link?
Click to expand...
Click to collapse
Here is one:
https://androidfilehost.com/?fid=962021903579498986
thank you very much I test his and come tell you!
it does not work it tells me that it's not the right version android I have to find an android 8
thank you
bibou0007 said:
it does not work it tells me that it's not the right version android I have to find an android 8
thank you
Click to expand...
Click to collapse
We don't have RUU 8.0. Try boot to download mode and flash TWRP recovery. Downgrade to Nougat (7.0).

Chinese H2OS to Global OOS error - "Version of upgrade lower than the current system"

Chinese H2OS to Global OOS error - "Version of upgrade lower than the current system"
I have the Chinese Oneplus 6T running H2OS v9.0.6. When I try to flash Oxygen OS v9.0.7 using the local upgrade method as described in one of the guide forums here, I am told that the version of the upgrade is lower than the current system.
Anyone know why this the case and the simplest way around it?
Would a factory reset return the phone to a version of H2OS that might allow the flash to proceed?
i have the same problem. Could you post here the solution if you find it? Some guys adviced me to try msm download tool to flash oxygenos but you need an unlocked bootloader. If you success post here the solution. Now i'm not at home and i can't try that method. i will post here too.
omara190 said:
I have the Chinese Oneplus 6T running H2OS v9.0.6. When I try to flash Oxygen OS v9.0.7 using the local upgrade method as described in one of the guide forums here, I am told that the version of the upgrade is lower than the current system.
Anyone know why this the case and the simplest way around it?
Would a factory reset return the phone to a version of H2OS that might allow the flash to proceed?
Click to expand...
Click to collapse
Id say unlock bl and install with twrp. Idk any other way around it
Logan0829 said:
Id say unlock bl and install with twrp. Idk any other way around it
Click to expand...
Click to collapse
I guess so. Reluctant to try this for the first time on a new phone though.
Any idea how long we'll be waiting for the next update from oneplus, as I would think as soon as that is released it should allow me to proceed with the local update?
I could wait if it was next week, but I would find it difficult to wait for much longer than that.
omara190 said:
I guess so. Reluctant to try this for the first time on a new phone though.
Any idea how long we'll be waiting for the next update from oneplus, as I would think as soon as that is released it should allow me to proceed with the local update?
I could wait if it was next week, but I would find it difficult to wait for much longer than that.
Click to expand...
Click to collapse
No idea

[SOLVED] - Android Q DP3 dump needed

Hello! I want to experiment with Q DP3 on my T-Mobile device but cannot because its blocked from the beta. After you flash it you get a boot loader error saying mismatched firmware / hardware or something to that affect. To clarify all T-Mobile devices are blocked.
I would love to get my hands on a complete device dump, all partitions. I want to see if it is at all possible to get DP3 to boot by fastbooting non critical partions.
If you have the time could you please dump the phone and upload it to a fast file host and leave a link in the thread or send me a message with a link?
Much appreciated!
You're better off converting it to international version by following the guide on the development forum on this phone, and you will of course want to unlock the bootloader (if you don't want to painfully wait for a week to get the bootloader unlock key AFTER paying it all off upfront).
T-Mobile OnePlus 6T will not be getting the beta version because of the bootloader lock checks. So, the conversion from T-Mobile model to international version is a must for this beta update, not to mention it's easy to unlock the bootloader afterwards.
Sent from my OnePlus 6T using Tapatalk
Scott said:
Hello! I want to experiment with Q DP3 on my T-Mobile device but cannot because its blocked from the beta. After you flash it you get a boot loader error saying mismatched firmware / hardware or something to that affect. To clarify all T-Mobile devices are blocked.
I would love to get my hands on a complete device dump, all partitions. I want to see if it is at all possible to get DP3 to boot by fastbooting non critical partions.
If you have the time could you please dump the phone and upload it to a fast file host and leave a link in the thread or send me a message with a link?
Much appreciated!
Click to expand...
Click to collapse
download the q dp3 beta, extract, and use payload dumper software might help
Dr. Mario said:
You're better off converting it to international version by following the guide on the development forum on this phone, and you will of course want to unlock the bootloader (if you don't want to painfully wait for a week to get the bootloader unlock key AFTER paying it all off upfront).
T-Mobile OnePlus 6T will not be getting the beta version because of the bootloader lock checks. So, the conversion from T-Mobile model to international version is a must for this beta update, not to mention it's easy to unlock the bootloader afterwards.
Sent from my OnePlus 6T using Tapatalk
Click to expand...
Click to collapse
Im pretty familiar with bootloader lock / unlock... See my guide.
Even if you flash the int software on the T-Mo version before DP3 it still locks the device out. Ever since DP2 its been blocked.
ayjays said:
download the q dp3 beta, extract, and use payload dumper software might help
Click to expand...
Click to collapse
Thanks! Didnt even think of the simple way!
Got what I needed.
Here is the one I used for those that may be looking to do the same: https://forum.xda-developers.com/showpost.php?p=76644431&postcount=3

Korean G4 F500 S/L/K with Stock Nougat 7.0 Help & Tips 2019!

Hello LG fans,
There is an old thread with a similar title, but since it is inactive I started this one. For certain reasons I got this G4 phone only few days ago. The model number on the box and under-battery tag as well as in settings showed F500 (just F500 without any suffix S, L, or K). It came with Android 5.1, and everything was working well. Online search showed that F500X phones can be officially updated to Nougat 7.0, but the phone OTA update said no update was available.
As per LG website, I installed LG Bridge to get the updates. It identified the phone as F500K and found two updates. First it installed 6.0 Marshmallow and then 7.0 Nougat software version F500K30c. Also the model no changed to F500K in settings. I think this probably means it is is a refurbished phone
The Installation was successful, but it installed a Korea Telecom version with some Korean stuff. I uninstalled or disabled all the Korean bloat I could without root, but there are still a few things remaining, and some Korean language here and there.
In general, I’m quite satisfied with the phone. The only thing I wish to get rid of is the KT Wifi manager app which is all in Korean, and I don’t know what it does or which settings to select. It is a system app, and I can’t uninstall or disable it, but my wifi and data networks seem to be working fine, so no complaints. I’ve seen several people here and elsewhere complaining about network issues, boot loops and bricks, but so far I haven’t experienced any. I hope it stays this way :fingers-crossed:
I was wondering about the other variants F500S and F500L, do they also have Korean bloat and is it more or less than F500K? I have read somewhere that these three firmware variants can be interchangeably installed. Is this the case, and if so, is it advisable to install another variant? I have been reading about this phone, but this is my first time to use an LG phones, and I have no experience with their software and tools, so any help, ideas or suggestions will be highly appreciated.
Thanks
Gold Mix said:
Hello LG fans,
There is an old thread with a similar title, but since it is inactive I started this one. For certain reasons I got this G4 phone only few days ago. The model number on the box and under-battery tag as well as in settings showed F500 (just F500 without any suffix S, L, or K). It came with Android 5.1, and everything was working well. Online search showed that F500X phones can be officially updated to Nougat 7.0, but the phone OTA update said no update was available.
As per LG website, I installed LG Bridge to get the updates. It identified the phone as F500K and found two updates. First it installed 6.0 Marshmallow and then 7.0 Nougat software version F500K30c. Also the model no changed to F500K in settings. I think this probably means it is is a refurbished phone
The Installation was successful, but it installed a Korea Telecom version with some Korean stuff. I uninstalled or disabled all the Korean bloat I could without root, but there are still a few things remaining, and some Korean language here and there.
In general, I’m quite satisfied with the phone. The only thing I wish to get rid of is the KT Wifi manager app which is all in Korean, and I don’t know what it does or which settings to select. It is a system app, and I can’t uninstall or disable it, but my wifi and data networks seem to be working fine, so no complaints. I’ve seen several people here and elsewhere complaining about network issues, boot loops and bricks, but so far I haven’t experienced any. I hope it stays this way :fingers-crossed:
I was wondering about the other variants F500S and F500L, do they also have Korean bloat and is it more or less than F500K? I have read somewhere that these three firmware variants can be interchangeably installed. Is this the case, and if so, is it advisable to install another variant? I have been reading about this phone, but this is my first time to use an LG phones, and I have no experience with their software and tools, so any help, ideas or suggestions will be highly appreciated.
Thanks
Click to expand...
Click to collapse
You could
downgrade to MM,
backup with SALT (CRUCIAL important),
unlock by UsU ,
extract with SALT: system ,modem and boot partitions from a f500 kdz,
root and debloat or (if you like to) install a custom ROM
Check the UsU and SALT threads (you can find both in my signature)
Sent from my OnePlus 6T using XDA Labs
steadfasterX said:
You could
downgrade to MM,
backup with SALT (CRUCIAL important),
unlock by UsU ,
extract with SALT: system ,modem and boot partitions from a f500 kdz,
root and debloat or (if you like to) install a custom ROM
Check the UsU and SALT threads (you can find both in my signature)
Sent from my OnePlus 6T using XDA Labs
Click to expand...
Click to collapse
Thank you @steadfasterX for your reply,
It's quite an honor the Guru himself was the first to reply to my post. I have seen many of your posts and replies in the forum before, and now looked at some of the stuff in your signature. Pretty impressive work. I definitely need to spend some time learning about them particularly SALT and FWUL, as I have also started learning and using Linux lately. How come FWUL is not shown on distrowatch?
For the time being, I was thinking to stick to stock Nougat 7.0 as it's a fairly recent OS, and the phone is fine even with the remaining little Korean stuff. My main dissatisfaction really is with the mysterious kt wifi manager app which is all in Korean and has some settings which I don't know what they are. If just replacing the current Nougat 7.0 with another variant S or L is actually possible, and these variants don't have a similar app, this would be great.
I have been searching for information about these S/L/K firmware variant differences but couldn't find much. I hope other S & L phone owners could tell us about their phones. The only thing I could find so far is that each is for a different carrier in Korea, and that they can be interchangeably installed as per a Reddit post. I don't know how reliable this information is!
From a purely technical perspective for G4 F500 , is it possible to flash another F500 variant using LGUP, or is this something that shouldn't be done? I have seen many people getting in trouble for flashing wrong firmware. If this is safe to do, do I need to do any preparation work like downgrading to MM first, and should this be done as an upgrade or a refurbish? For what it's worth, my ARB value is 0.
Thanks
steadfasterX said:
You could
downgrade to MM,
backup with SALT (CRUCIAL important),
unlock by UsU ,
extract with SALT: system ,modem and boot partitions from a f500 kdz,
root and debloat or (if you like to) install a custom ROM
Click to expand...
Click to collapse
Hi Sfx,
1. to downgrade to MM... use uppercut, right? I'm using latest 20u for F500l is OK for UsU?
2. after backing up with SALT, can I revert back anytime after unlock and with new custom ROM?
3. after rooting, do I install twrp and load custom ROM? and can I extract 30b Nougat's modem from KDZ to use with the custom ROM?
thanks so much in advance for answering...:angel:
Gold Mix said:
How come FWUL is not shown on distrowatch?
Click to expand...
Click to collapse
Because they are ignorant and/or just arrogant enough to ignore my requests. I even offered to pay advertisements as this should be (according to their website) a way to get listed instant. but nothing. Even not on the waiting list..
Gold Mix said:
From a purely technical perspective for G4 F500 , is it possible to flash another F500 variant using LGUP, or is this something that shouldn't be done?
I have seen many people getting in trouble for flashing wrong firmware. If this is safe to do, do I need to do any preparation work like downgrading to MM first, and should this be done as an upgrade or a refurbish?
For what it's worth, my ARB value is 0.
Click to expand...
Click to collapse
ok so one thing first. the most important one: Ensure you keep your ARB at 0. This is crucial important. So never ever flash anything (including QFIL restore files!!!) where you are not 10000% sure it wouldn't increase your ARB.
If you are about to flash a KDZ then check that file with SALT first (simply press extract and it will display the ARB). If you flash anything else.. well ensure that the files offered have that information listed and hope and pray its not wrong (e.g. there are QFIL files around which are labeled for a ARB 0 model but contain ARB2 files..). Never heard about a wrong labeled KDZ file but who knows.
The second important thing is (maybe its even the first): before doing anything, do a full backup with SALT (basic is fine) and (!!) move that to a secure place! (I saw so many ppl who lost their backup through several ways).
So when going on through the UsU process you will have 2 SALT backups: the one before downgrading to MM and another one after you downgraded to MM (tbh the more important one). If you can keep them both.
so about flashing other variants: yes it IS technically possible to even flash e.g. h815 ROMs to a F500 and so converting it that way! but never try that with h811 KDZs or others..
anyways yea you could flash other F500 variants without fear (just carrier bloat is different) as long as you follow the above advises.
cooledi said:
Hi Sfx,
1. to downgrade to MM... use uppercut, right? I'm using latest 20u for F500l is OK for UsU?
2. after backing up with SALT, can I revert back anytime after unlock and with new custom ROM?
3. after rooting, do I install twrp and load custom ROM? and can I extract 30b Nougat's modem from KDZ to use with the custom ROM?
thanks so much in advance for answering...:angel:
Click to expand...
Click to collapse
1. I dunno the latest MM F500 version but "20u" sounds good. Can't help in the downgrade process but there are plenty of guides here in the G4 forums.
2. dunno that you mean here.. but if you wanna know if you can stay on STOCK after UsU'ing yea sure. flashing UsU does not require to go for a custom ROM. It just gives you the freedom to do so.
3. if you follow the UsU guide you will have TWRP already and that's the place where you install a custom ROM if you like. Sure extract the 30b modem and flash it in fastboot should work fine (after UsU).
.-
steadfasterX said:
..
1. I dunno the latest MM F500 version but "20u" sounds good. Can't help in the downgrade process but there are plenty of guides here in the G4 forums.
2. dunno that you mean here.. but if you wanna know if you can stay on STOCK after UsU'ing yea sure. flashing UsU does not require to go for a custom ROM. It just gives you the freedom to do so.
3. if you follow the UsU guide you will have TWRP already and that's the place where you install a custom ROM if you like. Sure extract the 30b modem and flash it in fastboot should work fine (after UsU).
.-
Click to expand...
Click to collapse
Thanks sfx, I'm now on MM and ready to get SALTed I want to flash AEX v6.7 But there are two offerings H811 and H815, and my F500L in SALT say GPT compatibility is H811 /ARB0, so do I flash H811 version of AEX?? If so, is there a H811_UsU_baseband_flash-in-twrp I need to flash as well? thz
cooledi said:
Thanks sfx, I'm now on MM and ready to get SALTed I want to flash AEX v6.7 But there are two offerings H811 and H815, and my F500L in SALT say GPT compatibility is H811 /ARB0, so do I flash H811 version of AEX?? If so, is there a H811_UsU_baseband_flash-in-twrp I need to flash as well? thz
Click to expand...
Click to collapse
if you would flash h811 on yours you will increase your ARB so do NOT flash that.
Use a h815 based ROM even when SALT compat shows different. your partition layout is somehow weird..
for non-UsU ROMs flash the f500(!!) baseband package once
.-
steadfasterX said:
You could
downgrade to MM,
backup with SALT (CRUCIAL important),
unlock by UsU ,
->> extract with SALT: system ,modem and " boot partitions from a f500 kdz, "
root and debloat or (if you like to) install a custom ROM
Sent from my OnePlus 6T using XDA Labs
Click to expand...
Click to collapse
If I wanna go back to stock, what boot partitions should I extract from the f500 kdz image?
so namely I need to flash;
system.img
modem.img
do I need modemst1 & modemst2.img? what else do I need to flash?
thx!
cooledi said:
If I wanna go back to stock, what boot partitions should I extract from the f500 kdz image?
so namely I need to flash;
system.img
modem.img
do I need modemst1 & modemst2.img? what else do I need to flash?
thx!
Click to expand...
Click to collapse
system, boot, modem
nothing else
Pls i had f500s please can someone help withbsome detail process of rooting this phone.i am currently on stock rom android 5.1.its my first time usong lg g4 .i used sumsang and i had no problems around sumsung but lg g4 is a whole new level. I dont understand the UsU terms and SALT.pls help i need root pls.
please i need you help.
Pls i had f500s .i am currently on stock rom android 5.1.its my first time using lg g4 .i used sumsang and i had no problems around sumsung but lg g4 is a whole new level. I dont understand the UsU terms and SALT.pls help i need root pls

Ticwatch Pro 4G/LTE (Catshark) [US -> EU]

Hi, I have a Ticwatch Pro 4G/LTE (Catshark) [USA]. Do you know if it is possible to flash the EU stock firmware? I find so many comments here in the blog but, after a long research, seems I didn't fine a final answer to that
Can someone highlight me if was able to do the "conversion". For sure EU firmware seems is still getting updated, while US one no
Thank you!
mr-mauro said:
Hi, I have a Ticwatch Pro 4G/LTE (Catshark) [USA]. Do you know if it is possible to flash the EU stock firmware? I find so many comments here in the blog but, after a long research, seems I didn't fine a final answer to that
Can someone highlight me if was able to do the "conversion". For sure EU firmware seems is still getting updated, while US one no
Thank you!
Click to expand...
Click to collapse
Its not possible, I tried. Did you get the custom rom to boot on the your Ticwatch? I have the same one and I seem to not get it to boot without flashing the stock kernel! Any info is mush appreciated!
JedidroidX said:
Its not possible, I tried. Did you get the custom rom to boot on the your Ticwatch? I have the same one and I seem to not get it to boot without flashing the stock kernel! Any info is mush appreciated!
Click to expand...
Click to collapse
I don't mean to say you are wrong but to share my experience. September of 2021 I got a TicWatch Pro 4G (catshark) and I live in the US. Brand new, but I can not tell you what firmware it came with. I flashed the U.S.A rom the moment the battery got to 50%, lol. I had nothing but issues. I flashed everything over and over. I think I could win a TickWatch setup Speedrun by now, I should summit my time. I made a bash script to automate the whole flashing process because I was tired of it.
I was out of ideas. I said "F it" nothing left to flash but the EU version. To my surprise it works perfectly, even data with Verizon, text, everything works for me, even Majisk. Flash Magisk 20.4 and you can install some modules. It's all kinda pointless on a watch though
I know the question is old by now but maybe it will help someone out just getting a TicWatch.
Gregbmil1 said:
I don't mean to say you are wrong but to share my experience. September of 2021 I got a TicWatch Pro 4G (catshark) and I live in the US. Brand new, but I can not tell you what firmware it came with. I flashed the U.S.A rom the moment the battery got to 50%, lol. I had nothing but issues. I flashed everything over and over. I think I could win a TickWatch setup Speedrun by now, I should summit my time. I made a bash script to automate the whole flashing process because I was tired of it.
I was out of ideas. I said "F it" nothing left to flash but the EU version. To my surprise it works perfectly, even data with Verizon, text, everything works for me, even Majisk. Flash Magisk 20.4 and you can install some modules. It's all kinda pointless on a watch though
I know the question is old by now but maybe it will help someone out just getting a TicWatch.
Click to expand...
Click to collapse
Can you post screenshots of such a setup please? I have posted several screenshots of my setup in other post and I can tell you that I believe there is no way that the EU rom will work on US Verizon. So please, post screenshots of rom build version and working Verizon signal, if you don't mind! I'm sure I'm not the only one that doubts such a working setup! Thank you!
JedidroidX said:
Can you post screenshots of such a setup please? I have posted several screenshots of my setup in other post and I can tell you that I believe there is no way that the EU rom will work on US Verizon. So please, post screenshots of rom build version and working Verizon signal, if you don't mind! I'm sure I'm not the only one that doubts such a working setup! Thank you!
Click to expand...
Click to collapse
Network State says "Disconnected" not sure what that's about but Verizon works as it should. Phone number is there, I purposely didn't show the whole number. I couldn't tell the EU version from the US by looking at firmware version but It's the Rom labeled "EU" is all I know.
I flash it manually with a rooted Note 10 if that makes any difference. Never connected the watch to a pc. I
Why is everyone so quiet now? You were not expecting screenshots?......I'm joking. Is that even the EU Rom? I honestly can't tell. It's from the EU Mega Folder posted here.

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