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Hi guys,
I have z1 and want to root but system is 14.1.g.2.257... There is any way for downgrade or root?
PS: bootloader unlocked.
Just flash older firmware tft using flashtool and then u can root .543 and ota update to .254.
Sent from my C6903 using xda app-developers app
Jimvest said:
Just flash older firmware tft using flashtool and then u can root .543 and ota update to .254.
Sent from my C6903 using xda app-developers app
Click to expand...
Click to collapse
Any link for 543 tft file?
kartal172 said:
Any link for 543 tft file?
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?t=2469191
dawen said:
http://forum.xda-developers.com/showthread.php?t=2469191
Click to expand...
Click to collapse
My stock id is 1276-0873 R8A... But there is not?
Possible resume with any? (example : C6903 14.1.G.1.534 Central Europe1276-4314_R2A)
kartal172 said:
My stock id is 1276-0873 R8A... But there is not?
Possible resume with any? (example : C6903 14.1.G.1.534 Central Europe1276-4314_R2A)
Click to expand...
Click to collapse
I did it! Thanks guyz! Used C6903 14.1.G.1.534 Central Europe1276-4314_R2A and rooted via flashtool!
kartal172 said:
My stock id is 1276-0873 R8A... But there is not?
Possible resume with any? (example : C6903 14.1.G.1.534 Central Europe1276-4314_R2A)
Click to expand...
Click to collapse
Which country are you from?
No need to do any of that if your boot loader is unlocked. Just flash a custom kernel.
Sent from my C6903 using XDA Premium 4 mobile app
gregbradley said:
No need to do any of that if your boot loader is unlocked. Just flash a custom kernel.
Sent from my C6903 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
For downgrading firmware version? That's not really a good choice, flashing with a tft file is clearly better, flashing a custom kernel can hard brick your phone, avoid your warranty and can't be restored with SUS and PCC...
QualQuek said:
For downgrading firmware version? That's not really a good choice, flashing with a tft file is clearly better, flashing a custom kernel can hard brick your phone, avoid your warranty and can't be restored with SUS and PCC...
Click to expand...
Click to collapse
No, he asked how to root. If he has already unlocked the bootloader then the simplest way to root is flash a custom kernel. Warranty is already broken and what is the point in unlocking the bootloader unless you are going to flash a custom kernel anyway
gregbradley said:
No, he asked how to root. If he has already unlocked the bootloader then the simplest way to root is flash a custom kernel. Warranty is already broken and what is the point in unlocking the bootloader unless you are going to flash a custom kernel anyway
Click to expand...
Click to collapse
Yeah but flashing a custom kernel is not necessary for having root on the latest firmware.
QualQuek said:
Yeah but flashing a custom kernel is not necessary for having root on the latest firmware.
Click to expand...
Click to collapse
No its not, but its the easiest way to get root if you have already unlocked.
And please tell me the point of unlocking if you are not going to flash a custom kernel.
Its harmless as long as you flash the correct kernel. It carries the same risk as flashing anything.
Ah... i lost the camera guyz. It seems working, opening but when i try capture then frozing system.... Any ideas?
Locked bootloader via Flashtool but same... Need re flash a rom?
kartal172 said:
Ah... i lost the camera guyz. It seems working, opening but when i try capture then frozing system.... Any ideas?
Locked bootloader via Flashtool but same... Need re flash a rom?
Click to expand...
Click to collapse
Any suggestions about that issue?
kartal172 said:
Any suggestions about that issue?
Click to expand...
Click to collapse
Go to Settings -> Apps -> find your Camera app ->Clear data
hush66 said:
Go to Settings -> Apps -> find your Camera app ->Clear data
Click to expand...
Click to collapse
Nope, same again. Freezing app when i click get a shoot button. Tried via diagnostic but there is working as well...
Another suggestion guyz?
kartal172 said:
Nope, same again. Freezing app when i click get a shoot button. Tried via diagnostic but there is working as well...
Another suggestion guyz?
Click to expand...
Click to collapse
You have downgraded in order to root then to do an OTA upgrade back to .257 if I am right.
In which case, do not worry that the camera does not work in .534, just root it, and upgrade OTA.
Then try the camera.
EDIT
Also you need to clear the data in all camera related apps
gregbradley said:
You have downgraded in order to root then to do an OTA upgrade back to .257 if I am right.
In which case, do not worry that the camera does not work in .534, just root it, and upgrade OTA.
Then try the camera.
EDIT
Also you need to clear the data in all camera related apps
Click to expand...
Click to collapse
Sorry but i don't know the terms like this... Im newbie with Xperia... May we can use the links with possible tutorials can helpfull....
Thanks in advance....
http://forum.xda-developers.com/showthread.php?t=2505796
kartal172 said:
Nope, same again. Freezing app when i click get a shoot button. Tried via diagnostic but there is working as well...
Another suggestion guyz?
Click to expand...
Click to collapse
Try clearing the data for both the Camera and Camera Common apps under Setting -> Apps -> All.
Hi guys, I'm getting a z1 tomorrow
Should I get c6902 or c6903 ? I don't need 4g but I want a device that has many mods/ ROMs. That's all I need.. Second, what is lb and UB ROM? Third I want to install ROM on new device, the steps of installing ROM is something I don't understand.. My experience with grouper nexus 7, unlocked it, flashed it.. But z1, how to do that? Can someone explain basics to me?
bsmstar said:
Hi guys, I'm getting a z1 tomorrow
Should I get c6902 or c6903 ? I don't need 4g but I want a device that has many mods/ ROMs. That's all I need.. Second, what is lb and UB ROM? Third I want to install ROM on new device, the steps of installing ROM is something I don't understand.. My experience with grouper nexus 7, unlocked it, flashed it.. But z1, how to do that? Can someone explain basics to me?
Click to expand...
Click to collapse
- depends. Is your device that you've ordered support LTE? If yes, then you'll get C6903
- LB = Locked boot loader. A state where you can't flash custom kernel
- UB = Unlocked boot loader. A state where you've unlock your boot loader, so you can flash custom kernel.
- which steps?
- there's ROM which can be flashed even your bootloader still locked. So, it depends on what ROM you wanna use.
omegahanggara said:
- depends. Is your device that you've ordered support LTE? If yes, then you'll get C6903
- LB = Locked boot loader. A state where you can't flash custom kernel
- UB = Unlocked boot loader. A state where you've unlock your boot loader, so you can flash custom kernel.
- which steps?
- there's ROM which can be flashed even your bootloader still locked. So, it depends on what ROM you wanna use.
Click to expand...
Click to collapse
OK thanks for replying , so let's see.. How can I flash monxdified on a completely new device? I think the device is c9602 since I don't see a 4g on the package..
What is the best custom for this device? What's new on Sony kitkat ? Can we have it for Christmas eve?
bsmstar said:
OK thanks for replying , so let's see.. How can I flash monxdified on a completely new device? I think the device is c9602 since I don't see a 4g on the package..
What is the best custom for this device? What's new on Sony kitkat ? Can we have it for Christmas eve?
Click to expand...
Click to collapse
1. Backup your TA partition (just in case you want to roll back to 4.2.2, and get back your DRM key)
2. Check for updates using OTA or Sony PC Companion
3. If there's update to 4.3, apply the updates
4. Before we step further, I wanna ask you, do you wanna keep your bootloader unlocked?
Well. We don't know when exactly 4.4 update is available. Let's hope we'll get this in December.
Hi
For me it doesn't matter if BL locked or not, I read there is no problem in that in 4.3 regarding camera issues.. But I have zero knowledge on how to deal with rooting and flashing the z1.. Im not going back to 4.2 for me its either aosp 4.4 or Sony ui 4.3. As I said I have zero knowledge so if you can elaborate more about how to do it that would be highly appreciated
hi
so i got the c6903 now... i cant root it and i dunno why
its running on 4.2.2 .257 fw official
i tried vroot it didnt work and 360 root cant be installed it says chinese only os.. how to do that now?
you have to downgrade to 534 to root
bsmstar said:
hi
so i got the c6903 now... i cant root it and i dunno why
its running on 4.2.2 .257 fw official
i tried vroot it didnt work and 360 root cant be installed it says chinese only os.. how to do that now?
Click to expand...
Click to collapse
There is no better way than follow this steps on Page 2, Post #16 http://forum.xda-developers.com/showthread.php?t=2588331&page=2
No body here was clever at the first time so just read carefully. This is the only way to get the full root on your device.
If this help click on thanks.
Well, I found that out through YouTube.. I downgraded my c6903 to 534 fw and rooted it, installed the recovery dual and flashed ihackers 2.1 , yes I did ta backup but I didn't unlock the bootloader. I dunno what's the benefit of doing so, although I emailed Sony and I got the unlock code on my email as they replied... I'm only missing an app that control the led color of notifications led and Google now since I'm not in the US region.. That used to work fine on 4.2.2 but no worries.. Thanks guys. You really helped me a lot and I think this is a great device, I have been using it since Tuesday. And I rooted and flashed it this morning. One problem is that I dunno how to enter recovery so I flashed the ROM right after I flashed the recovery.. I understand now that there is a flashable zip? Things are much easier with the nexus line
bsmstar said:
I understand now that there is a flashable zip?
Click to expand...
Click to collapse
All the FTF have to be flashed on your device via Flashtool v0.9.13 compatible with your device and they are not zip. Recovery is in zip and all what you flash from recovery is in zip file.
Yeah I did that.. It had 257 fw, I flashed 534 with flashtool then I rooted by vroot, then ta backup with some bat file through computer and USB debugging, then installed recovery by bat file as well, which rebooted to recovery, I did factory reset/wipe, and flashed aroma ihackers 2.1 without custom kernel then switched off and flashed baseband and kernel by flashtool and rebooted, done..
Just like that. And you should be the one without knowledge?
Well, I put my mind to it.. And when I do that I usually succeed... But I still have unanswered questions, like what are the benefits of unlocking bootloader? How can I control led light color for different applications notifications.. I tried light flow and illumination bar, both didn't work.. Lastly I haven't got used to the camera ui as I haven't used it much and I already applied xposed 20 mp mod.. Lastly,, I like to thank you for all your attention and care and everything ... I really appreciated it
as i know the unlockbootloader is the only way to flash custom karnels.
i dont know mutch more then that, just switched from ios so i'm new to this.
I forgot to backup my TA does that make an issue and if, what kind?
sorry for thread steeling
bsmstar said:
But I still have unanswered questions, like what are the benefits of unlocking bootloader?
Click to expand...
Click to collapse
Like @stianly said Unlocking Bootlader is needed to flash custom kernels only.
bsmstar said:
How can I control led light color for different applications notifications.. I tried light flow and illumination bar, both didn't work..
Click to expand...
Click to collapse
I read somewhere on XDA about that. EDIT: Try Gravity Box Xposed
stianly said:
as i know the unlockbootloader is the only way to flash custom karnels.
Click to expand...
Click to collapse
Right.
stianly said:
I forgot to backup my TA does that make an issue and if, what kind?
Click to expand...
Click to collapse
Yes, it's a problem, without TA you lost your DRM keys permanently which are needed to re-lock your bootlader. You also lost the warranty of you device definitely.
yea i know the waranty and drm
but what does the drm keys do i lose some functions?
stianly said:
yea i know the waranty and drm
but what does the drm keys do i lose some functions?
Click to expand...
Click to collapse
Yes, Bionz, X-Reality and probably Bravia Engine or something like that but your phone still working properly. Some users do not notice the difference with or without this features.
Ok I tried gravity box, can't find notifications led settings... Can you be more specific on this? Thanks...
bsmstar said:
Ok I tried gravity box, can't find notifications led settings... Can you be more specific on this? Thanks...
Click to expand...
Click to collapse
Sorry, at the moment I don't have my phone so iI can't check for you but Gravity should have some options for that but maybe it's not the solution, I know it's possible, when I will know more something for your problem I will post.
OK thanks
Im on .257 FW (rooted)
And I saw 4.3 update available OTA
if I updated am I gonna loose root???
Thanks
Sent from my GT-I9505 using XDA Premium 4 mobile app
Yes you'd lose full root
Sent from my C6903 using Tapatalk 2
So it's currently not possible to preserve root huh. Is it possible (in any way) to update to .290 with a locked BL and keep data? (or at least all my settings and stuff)
chubby65 said:
Yes you'd lose full root
Sent from my C6903 using Tapatalk 2
Click to expand...
Click to collapse
Wt ya meant by full root???
I only want root for use lucky patcher and hack poweramp licence thats the only thing I use root for
Sent from my GT-I9505 using XDA Premium 4 mobile app
I tried updating via the OTA while rooted and the update fails.
I'm using the paid version of SuperSU while in "Survival Mode" with a locked bootloader.
Sent from my C6903 using XDA Premium 4 mobile app
On some firmwares root will stay after OTA update.
You'll have partial root but that's only what's possible to get on locked bootloaders - for now.
We said that many times before and I see many users still likes to answer wrong.
If you, IF YOU!, manage to update via OTA - your root will stay.
Sent from my Z1
funky0308 said:
On some firmwares root will stay after OTA update.
You'll have partial root but that's only what's possible to get on locked bootloaders - for now.
We said that many times before and I see many users still likes to answer wrong.
If you, IF YOU!, manage to update via OTA - your root will stay.
Sent from my Z1
Click to expand...
Click to collapse
what is partial root
zyclops1 said:
what is partial root
Click to expand...
Click to collapse
You can write to system but only from recovery.
Basically you can't copy manually apk or any files to system folders - you have to do that through recovery.
Problem is when system boot, you have administrative rights only in recovery.
Sent from my Z1
funky0308 said:
You can write to system but only from recovery.
Basically you can't copy manually apk or any files to system folders - you have to do that through recovery.
Problem is when system boot, you have administrative rights only in recovery.
Sent from my Z1
Click to expand...
Click to collapse
can i use lucky patcher and viperaudio :silly:
zyclops1 said:
can i use lucky patcher and viperaudio :silly:
Click to expand...
Click to collapse
I'm not sure for lucky but all MODs should work.
Sent from my Z1
funky0308 said:
I'm not sure for lucky but all MODs should work.
Sent from my Z1
Click to expand...
Click to collapse
i dont want a recovery also so best choice is to stay on 4.2? eh??
zyclops1 said:
i dont want a recovery also so best choice is to stay on 4.2? eh??
Click to expand...
Click to collapse
Well I don't see a point then.
Without recovery you'll not get anything...
I'm using stock 290 without root and it's O.K
Sent from my Z1
zyclops1 said:
i dont want a recovery also so best choice is to stay on 4.2? eh??
Click to expand...
Click to collapse
If you want everything working then just stay on 4.2, if you want to update and you can unlock your bootloader then do it that way, i'm sticking with 4.2 until everything is working as it should.
funky0308 said:
On some firmwares root will stay after OTA update.
You'll have partial root but that's only what's possible to get on locked bootloaders - for now.
We said that many times before and I see many users still likes to answer wrong.
If you, IF YOU!, manage to update via OTA - your root will stay.
Sent from my Z1
Click to expand...
Click to collapse
How is it wrong answer?
It's a fact that if you update to 4.3 you WILL lose full root
Unless you CAN unlock your bootloader full root is not available at the moment
That's why I'm back on 4.2 partial root is no good
Sent from my C6903 using Tapatalk 2
I'm currently on 4.2.2. rooted stock rom, locked bl, dualrecovery, (.257 firmware) and xposed installed with some modules activated.
I have an OTA update for 4.3. available but I'd like to know what happens if the update manages to go through? I've read about partial root but that doesn't tell me much. Is there a way to keep full root with supersu pro or voodoo root keeper?
So, what exactly can I do with it or don't?
Will my dualrecovery remain after the update? Or if it's gone, could I install it again with partial root?
The xposed remains as well since it was already present before the upgrade or not?
Can I still use Titanium Backup to backup, delete, freeze, restore apps and data (system apps and user apps)?
Could I gain root via partial root via a startup script which runs automatically at boot (without bl unlock)?
One last question: I really don't get why Android manufacturers don't even bother to at least offer the option to enable root if the user wants this option.
Like there could be an option to enable root and when you tap on it, the system displays severals warnings to inform you about the downsides and potential dangers and if you accept, the system reboots and you have full read/write access/root.
I know about the downsides (malware, etc.) but to me and I believe to many others as well, the benefits outhweigh them by a lot.
Are they just unwilling or is it not that easy to enable and disable?
To me, an Android phone without root feels as limited as a Windows computer without admin rights. It feels so constraint.
chubby65 said:
That's why I'm back on 4.2 partial root is no good
Click to expand...
Click to collapse
I am using 4.3 with root, there are several threads which explain how (Q&A for example)
AntiDroid said:
I am using 4.3 with root, there are several threads which explain how (Q&A for example)
Click to expand...
Click to collapse
Yeah but that's for unlocked bootloader
Locked bootloader is different and some bootloaders can't be unlocked mate
Sent from my C6903 using Tapatalk 2
chubby65 said:
Yeah but that's for unlocked bootloader
Locked bootloader is different and some bootloaders can't be unlocked mate
Click to expand...
Click to collapse
my bad x.x I skipped most of the sentences
AntiDroid said:
my bad x.x I skipped most of the sentences
Click to expand...
Click to collapse
True. I personally can unlock but don't want to because of the warranty.
Can anyone please answer the questions from my previous post? At least some of them? It would help me a lot in deciding if I should upgrade to 4.3. or not.
drsoran2 said:
True. I personally can unlock but don't want to because of the warranty.
Can anyone please answer the questions from my previous post? At least some of them? It would help me a lot in deciding if I should upgrade to 4.3. or not.
Click to expand...
Click to collapse
You already lost your warranty by rooting and flashing a dual recovery. Unlocking your BL wouldn't change anything, but backup your TA partition before you do that(search for topics).
I see that your from germany. You should check out the difference between "Garantie und Gewährleistung" (LEO and Google Translate actually say that both mean warranty, but they are NOT the same)
Garantie = warranty for damages "by you" (dropping it for example)
Gewährleistung = warranty for damages which happened because of a sony mistake (
You lose your garantie by rooting/unlocking but the gewährleistung persists because of an european law.
I hope that this information helps you
hi everyone, 3 months ago i rooted my phone with the guide in the general section but since that i get an update to android 4.4.4 comp 14.4.A.0.108 (i have 4.4.2 comp 14.3.A.0.757) and i don't wanna lose my root i checked the "FTF Mega Collection" and there is not that version there are 14.4.A.0.133 & .118 what can i do to upgrade it without losing my root??
Thanks
vhos96 said:
hi everyone, 3 months ago i rooted my phone with the guide in the general section but since that i get an update to android 4.4.4 comp 14.4.A.0.108 (i have 4.4.2 comp 14.3.A.0.757) and i don't wanna lose my root i checked the "FTF Mega Collection" and there is not that version there are 14.4.A.0.133 & .118 what can i do to upgrade it without losing my root??
Thanks
Click to expand...
Click to collapse
If you whether upgrade or downgrade your phone, you'll surely lose the root access
I suggest you use 133
SaeedFazlollahzadeh said:
If you whether upgrade or downgrade your phone, you'll surely lose the root access
I suggest you use 133
Click to expand...
Click to collapse
yeah but when i did the root i downgrade my phone rooted it and after i upgrade it rooted
vhos96 said:
yeah but when i did the root i downgrade my phone rooted it and after i upgrade it rooted
Click to expand...
Click to collapse
You mean you rooted your phone by downgrading and upgrading method?
It's different from flashing
That roots your phone, but this empties your phone
SaeedFazlollahzadeh said:
You mean you rooted your phone by downgrading and upgrading method?
It's different from flashing
That roots your phone, but this empties your phone
Click to expand...
Click to collapse
yeah thats what i mean sorry im a newbie , theres a way to upgrade it without losing the root?
vhos96 said:
yeah thats what i mean sorry im a newbie , theres a way to upgrade it without losing the root?
Click to expand...
Click to collapse
No, certainly no
Maybe in the future, but not now
well thanks for your help ill wait for lollipop, thank you
Is there a way to root my Z1 on android 5.1?
Giorgos zografos said:
Is there a way to root my Z1 on android 5.1?
Click to expand...
Click to collapse
This has been answered many times in other threads. Please search before posting.
No, 5.1 cannot be rooted directly. Root is only possible on 5.1 by flashing a pre-rooted ZIP.
Hi
If you have UB, youcan easily do that
Sent from my C6903 using Tapatalk
Same here still waiting for kingroot or anyone know way to root lollipop 5.1.1?.. need root my phone asap bec my phone always overheat.
xasbo said:
This has been answered many times in other threads. Please search before posting.
No, 5.1 cannot be rooted directly. Root is only possible on 5.1 by flashing a pre-rooted ZIP.
Click to expand...
Click to collapse
But Flashtool is required root.. =/ my phone still unroot and cant flash rom?
still waiting for root :/
alienx2 said:
But Flashtool is required root.. =/ my phone still unroot and cant flash rom?
Click to expand...
Click to collapse
Flashtool doesn't need root privileges.
With flashtool you flash ftf files.
You need flashtool program to flash ftf.
Your phone has to been in flash mode to flash a ftf file. The phone comes with flash mode, that's nothing special. The phone can handle flash mode from build.
agha_jo0n said:
Hi
If you have UB, youcan easily do that
Sent from my C6903 using Tapatalk
Click to expand...
Click to collapse
Just curious, if you are on stock unrooted 5.1.1, how does Unlocking the Bootloader make rooting easier?
spikey001 said:
Just curious, if you are on stock unrooted 5.1.1, how does Unlocking the Bootloader make rooting easier?
Click to expand...
Click to collapse
Just flash custom recovery and then flash super user through recovery, that's it
Sent from my C6903 using Tapatalk
Removed
alienx2 said:
Same here still waiting for kingroot or anyone know way to root lollipop 5.1.1?.. need root my phone asap bec my phone always overheat.
Click to expand...
Click to collapse
Overheat ? how ? there is no way... i have never even gotten over 50 Celcius... are you sure you don't have Z3+ ? D
Like what @xasbo said, this has been answered again and again, pls. use the search button.
There are no existing direct rooting method for 5.1.1 at the present time. Use flashtool to flash 4.4.4 or 5.0.2 on you phone then root it then install a custom recovery then flash a pre-rooted 5.1.1 on your phone. That is the only way you have at present if your phone has a locked boot loader.
If your phone has an unlocked bootloader, I believe you fastboot a rooted system.img or something to get root access on your 5.1.1 without the need to downgrade to either 4.4.4 or 5.0.2
Sent from my C6903 using XDA Free mobile app
Deathschythe33 said:
Like what @xasbo said, this has been answered again and again, pls. use the search button.
There are no existing direct rooting method for 5.1.1 at the present time. Use flashtool to flash 4.4.4 or 5.0.2 on you phone then root it then install a custom recovery then flash a pre-rooted 5.1.1 on your phone. That is the only way you have at present if your phone has a locked boot loader.
If your phone has an unlocked bootloader, I believe you fastboot a rooted system.img or something to get root access on your 5.1.1 without the need to downgrade to either 4.4.4 or 5.0.2
Sent from my C6903 using XDA Free mobile app
Click to expand...
Click to collapse
I did that but I got an error after flashing
.zip and then flashing the rest of ftf via flashtool except system. I posted the error in the thread of z1 Philippines
Sent from my C6903 using XDA Free mobile app
amnher said:
I did that but I got an error after flashing
.zip and then flashing the rest of ftf via flashtool except system. I posted the error in the thread of z1 Philippines
Sent from my C6903 using XDA Free mobile app
Click to expand...
Click to collapse
Ah, yes my apologies I mixed system.img vs. system.sin, if you are making a pre-rooted 5.1.1 use this thread it details how to create a pre-rooted 5.0.2 but it is the same for 5.1.1
migidid said:
Overheat ? how ? there is no way... i have never even gotten over 50 Celcius... are you sure you don't have Z3+ ? D
Click to expand...
Click to collapse
Yep it was..and nope Im using Z1 C6903 then now no more overheat bec i did downgraded to kitkat 4.4.4 then installed custom ROM called "iHackers 6.2" without unlocked BL.
alienx2 said:
Yep it was..and nope Im using Z1 C6903 then now no more overheat bec i did downgraded to kitkat 4.4.4 then installed custom ROM called "iHackers 6.2" without unlocked BL.
Click to expand...
Click to collapse
Strange, ive been using stock roms since 4.4.2 on my C6903 and never even felt my device being warm, like on samsungs opening chrome alone makes it so hot you cant touch it. but on Z1 noo, there must be something wrong on it.
migidid said:
Strange, ive been using stock roms since 4.4.2 on my C6903 and never even felt my device being warm, like on samsungs opening chrome alone makes it so hot you cant touch it. but on Z1 noo, there must be something wrong on it.
Click to expand...
Click to collapse
5.0.2 was okay under control overheat. but 5.1.1 is not. its very worst.