Database Users

downgrade official lollipop to official kitkat 4.4?

Has anyone successfully downgrade official lollipop 5.0 to official kitkat 4.4? How? Is it safe to do it? Please help [emoji38]

I am quite sure a lot of people have gone back to KitKat from Lollipop, including me. In the course of last one week I have flashed Lollipop at least six times and came back to KK each time. So yes, downgrading is absolutely problem free.

Thank you devil

need help.
i have problem downgrading from lollipop to kitkat. after i downgrade. my phone baseband change to unknown and i cannot receive any signal. i try flashing kitkat baseband still no luck. any help? please i want to go back to KK.

IzArsha said:
i have problem downgrading from lollipop to kitkat. after i downgrade. my phone baseband change to unknown and i cannot receive any signal. i try flashing kitkat baseband still no luck. any help? please i want to go back to KK.
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Click to collapse
I would save all your personal data to the PC desktop. Wipe everything ( twice ), and then do a factory reset. Now odin flash back to whatever version of KK OS you want to run. Make sure you use a complete stock .tar firmware ( system/modem/bootloader ) from xda or sammoblie has them. Once you flash back to stock, odin flash it again to make sure everything installs. Then root and reinstall your data. If you do a lot of flashing from lollipop to KK, your going to have to take out the trash every once in while for lack of better words. I do a lot of flashing and end going back to bone stock about once a week, this helps from corrupting vital programs like efs. So in other words there is no magic pill. For more info click my signature the versions of KK might be different but the procedure is the same.

jimzweb1 said:
I would save all your personal data to the PC desktop. Wipe everything ( twice ), and then do a factory reset. Now odin flash back to whatever version of KK OS you want to run. Make sure you use a complete stock .tar firmware ( system/modem/bootloader ) from xda or sammoblie has them. Once you flash back to stock, odin flash it again to make sure everything installs. Then root and reinstall your data. If you do a lot of flashing from lollipop to KK, your going to have to take out the trash every once in while for lack of better words. I do a lot of flashing and end going back to bone stock about once a week, this helps from corrupting vital programs like efs. So in other words there is no magic pill. For more info click my signature the versions of KK might be different but the procedure is the same.
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Click to collapse
Sorry i already fix this. After flashing KK i flashed Lolipop modem manually then it connect to my network. Then i flashed back to KK modem which is GNG1 and its working like a charm.

Hi, I am using Samsung Galaxy Note 3 and recently updated to Lollipop(Not any ROM). Now I want to do factory reset and want to know that after factory reset process Will my phone land on Kitkat or Lollipop?
It would be greatly appreciated If someone can help me on this.
Thanks

problem whit recovery
devilsdouble said:
I am quite sure a lot of people have gone back to KitKat from Lollipop, including me. In the course of last one week I have flashed Lollipop at least six times and came back to KK each time. So yes, downgrading is absolutely problem free.
Click to expand...
Click to collapse
i have n7100, installed lollipop beta, then i tried hawkish rom runing 4.1.x rom, finally i installed dr ketans ron v14 runing 4.4.4, but on the recovey i still see the hawkish rom folder i pasted to the internal sd, i cant delete it using root explorer or any other program, i can only see this folder on recovery, any idea?

Check my last few threads for solutions
TechArena.IN

Downgrading official lollipop (XEO) to Kitkat (BTU)
Hello Note 3 users. I would like to ask (maybe someone already tried) to downgrade official (not leaked one with bugs as was mentioned) lollipop to kitkat? My phone originally had BTU kitkat, but I wanted to test lollipop and downloaded one from sammobile (XEO). Flashed as it was described in Sammobile website, everything went well. Rom is working well, but gps takes ages to fix, and only a few satellites. They are always lost while driving. Because of this reason I would like to come back to BTU kitkat again (get gps working normally again and receive future OTA updates). Can I flash Kitkat like it's described in sammobile? Wouldn't I mess the bootloader or something? (XEO Lollipop to BTU Kitkat)

I successfully downgraded from Samsung's official 5.0 to 4.4.2. I wiped the phone first in recovery. Then flashed using Odin version 3.09.
My Note 3 is an SM-N9005.
After receiving the 5.0 update yesterday for my Note 3 (product code XSI) and not liking it very much I will be downgrading again. At least the newer build in the XSI ROM seems more stable than the BTU ROM I tried before but I will still downgrade. One of my favourite apps, Delayed Lock, isn't working on 5.0.

Upgrading ancient 4.3--->5.0 OF1 questions

Hi everyone
i've been out of the loop for ages, and still rocking the ancient 4.3 rooted "root-de-la-vega" version
My questions are thus:
1- will updating to 5.0 OF1 via keys even work? or am i risking a brick/other fudge-up?
2- if the above is not supposed to work, what's the best way to go about this?
3- is it possible to use the wifi hotspot on the new OF1 build after rooting? i'm not a verizon client.
I searched the forums a lot, doesn't seem like anybody stayed on 4.3 for so long he'll have to do 4.3-->5 as well
Any answer is much appreciated. thanks

I can't tell you anything about Kies, sorry.
I unlocked my bootloader on 4.3 / MJ7 using the same binary from the bootloader unlock thread (@donc113's from post #318 or something) . It would probably work for you on your current ROM as well.
I kept the MJ7 firmware ( still have it! )
The M* series (MI9/MJ7/MJE) firmware will not boot the N* (4.4) or O* (5.0) stock ROMs. Similarly you have to use the TWRP -4.3 variant in the custom recovery for the same reasons if you retain M* series booting firmware.
Curiously, however MJ7 bootloader will boot the CM13 custom ROM, as will later bootloaders. I suppose that means the later bootloaders are backwards-compatible to the older DTB (Device Tree) meta data format used in booting 4.3 ROM kernels.
I am a VZW subscriber, so I don't know if there are issues using the CM13 ROM on other carriers.
good luck
PS CM13 has WiFi and USB hotspot/tethering built in. I would be using that ROM right now were it not for some GPS issues - the whole reason I stayed on rooted MJ7 for so long was because of the hot spot bug/"feature".

Help(urgent), updated G900P to Nougat, all is fine but no network signal

thank you for help.
I bought it today due to previous phone failure, it had LL5.0, I updated it to MM6.01 updating the bootloader before and then the rom, now I loaded Nougat by twrp.. all is fine except no network signal. I think the problem is with baseband, my version is G900PVPS3CPK1. What can I install to have it working?
I'm without phone, I pray someone to help me quickly, thank you

the baseband works ony in LL 5.0 actually on stock ROM G900PVPU3BOK4_G900PSPT3BOK4_G900PVPU3BOK4_HOME.tar but it boring asking to update to MM, if I update no network connection.
I was on 7.1.2 Resurrection, it works great extept baseband, guys said me it is projected for G900F.. but while I tried I had the MM bootload where baseband doesn't work. I dubt I can use the bootloader of LL that works..

You need to flash a baseband that was intended for nougat. I have. G900p (sprint s5) running on a att network. Im running crdroid 7.1.2 my sim works great ... You need to reflash stock rom and either leave it alone or do some reading before you just start flashing stuff you dont understand ....

thank you for help, mya you kindly suggest me a stock rom that worked for you?
I've solved the problem, but not really happy how.. https://forum.xda-developers.com/showthread.php?t=3698397
Found Resurrection remix that works great on G900P, and used Lollipop AO (they said last of LL 5.0) as boot loader. When I used the MM bootloader the baseband wasn't working, as well when I left the stock AO 5.0 update itself by internet to MM.. several updates insluding baseband to the most recent releases and network was off..
THe problem is intriguing, why this happens?

pinheaD420 said:
You need to flash a baseband that was intended for nougat. I have. G900p (sprint s5) running on a att network. Im running crdroid 7.1.2 my sim works great ... You need to reflash stock rom and either leave it alone or do some reading before you just start flashing stuff you dont understand ....
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Click to collapse
Hi mate, kindly read the message above, thanks

solved with some pain, needed to pit the phone and flash the stock MM, then boot to check the baseband, then flash twrp and RR+gapps. All info here:
https://forum.xda-developers.com/sprint-galaxy-s5/development/rom-t3698397
cheers

Bootloader and modem question

Hey I want to install Lineage OS on my S5 G900F. I had this rom not long ago but I remember I had random reboots. I don't really understand how the bootloader and modem works ( I've read other threads before opening this but I'm not sure what to do so it's best to ask instead of breaking the phone ;D). If I will have android 7.x which bootloader and modem should I install? The latest and if yes where can I get download for those (I saw there is an option to extract it from official rom but the official one is version 6.0.1 so I'm not sure what to do).
If anyone can clear my misunderstanding and help me I will be glad, Thanks!

oreltal95 said:
Hey I want to install Lineage OS on my S5 G900F. I had this rom not long ago but I remember I had random reboots. I don't really understand how the bootloader and modem works ( I've read other threads before opening this but I'm not sure what to do so it's best to ask instead of breaking the phone ;D). If I will have android 7.x which bootloader and modem should I install? The latest and if yes where can I get download for those (I saw there is an option to extract it from official rom but the official one is version 6.0.1 so I'm not sure what to do).
If anyone can clear my misunderstanding and help me I will be glad, Thanks!
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Click to collapse
I am not using it but on the official LineageOS thread they recommend bootloader+modem combo from the latest available stock firmware which is android MM 6.0.1 of course.
You can get them for example from here (newest ones are: BL - CQI6, Modem - CQA9).

Thanks for the replay in the end I went back to stock rom and reinstalled lineage OS. Phone runs smooth and no crash until now. I think my problem is solved.

Need help with a galaxy s4 gt-i9505

Hi everyone,
just a long-time forum-lurker in the dark here, now I'm here asking for help to restore my galaxy s4.
Here's the story:
gt-i9505 no brand, italian official firmware 4.4.4 (kitkat), never updated, only used towelroot to gain rood adn unistall couple of unused apps.
everything worked fine
Then i decided to upgrade to lollipop.
downloaded last samsung lollipop rom for my phone from sammobile, made a full backup via TWRP Recovery, and installed lollipop via Odin.
Then the nightmare begun :
1st problem, no modem, no connection, only wifi, i restored EFS, still not working, reinstalled modem via odin and then i got my imei and connection again.
2) think i've tried to change the rom to a custom downloaded here (i don't even remember the name), then i tried couple other roms.
this as far as i remember
Now the phone has a samsung original lollipop rom, wifi won't turn on, data not working, knox status is obviously altered (so i cannot restore it via kies or whatever the software name is now) BUT It overheats a lot after few minutes and i'm forced to shut it off to not damage it.
I'd like to restore it to a full working condition, i think i've messed up with bootloaders, modems and roms from different android versions.
can anyone help ?
Current status is
model : gt-i9505
android security patch : 2016:11-01
Baseband version : I9505XXUGNK2
kernel version : 3.4.0-5978264 [email protected] #1 Wed Nov 16 19:05:34 KST 206
build version : LRX22C.I9505XXUPK2
Android SE state : enforcin SEPF_GT-i9505_5.0.1-1_0070 Wed Nov 19:10:21 2016
SEcure Boot status Type:SAmsung
Knox VErsion 2.3

Hey, @dokrobei
Take a look on my Guide.
You need the guide clean install from the scratch. Please read it carefully till the end. There avaible links with all necessary stuff like modem/bootloaders/stock rom-firmware/recommend customs roms etc.

Hi @Retrial, thanks for the answer..
I've managed to reinstall stock KitKat 4.4.2 and working modem drivers, following another tutorial here. Now Wi-Fi, 3g and bt works fine, BUT the phone overheats a lot. It's not a battery problem and sure it's software related 'cause it wasn't like this before my stupid first attempt to upgrade to lollipop.
I've searched the forum for the overtheating near the flash zone problem, some say that is a microsd problem (wich I removed), some other that's a battery problem (wich is not in my case).
Do you think I should start from scratch again following your guide? IHow do I know wich modem / bootloader is right for my phone? I think the problem is there, maybe wrong modem version..

dokrobei said:
Hi @Retrial, thanks for the answer..
I've managed to reinstall stock KitKat 4.4.2 and working modem drivers, following another tutorial here. Now Wi-Fi, 3g and bt works fine, BUT the phone overheats a lot. It's not a battery problem and sure it's software related 'cause it wasn't like this before my stupid first attempt to upgrade to lollipop.
I've searched the forum for the overtheating near the flash zone problem, some say that is a microsd problem (wich I removed), some other that's a battery problem (wich is not in my case).
Do you think I should start from scratch again following your guide? IHow do I know wich modem / bootloader is right for my phone? I think the problem is there, maybe wrong modem version..
Click to expand...
Click to collapse
First of all there is no need to still be on KitKat...a lot of apps don't support Kitkat nowdays...and is outdated.
I will recommend first to proper upgrade to Lollipop stock and then use some of the latest android Pie Custom JDC Roms by following my complete guide. As I said above there is a full guide with links and very well explained steps. The latest Firmware for our S4 i9505 is QK1 - No matter which country you will choose, and it's recommened to have the latest. Just read it carefully till the end and check the asterisks.
The overheating it may be no compatible Modem/Bootloader since you messed up with Lollipop. To check what Modem and Bootloder you can simply install "Device HW Info" or "Phone Info" app and check.
Let me know how it goes, and if you have any question or problem feel free to ask. Good Luck :fingers-crossed:

Retrial said:
First of all there is no need to still be on KitKat...a lot of apps don't support Kitkat nowdays...and is outdated.
I will recommend first to proper upgrade to Lollipop stock and then use some of the latest android Pie Custom JDC Roms by following my complete guide. As I said above there is a full guide with links and very well explained steps. The latest Firmware for our S4 i9505 is QK1 - No matter which country you will choose, and it's recommened to have the latest. Just read it carefully till the end and check the asterisks.
The overheating it may be no compatible Modem/Bootloader since you messed up with Lollipop. To check what Modem and Bootloder you can simply install "Device HW Info" or "Phone Info" app and check.
Let me know how it goes, and if you have any question or problem feel free to ask. Good Luck :fingers-crossed:
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Click to collapse
ok,so
downloaded latest italian rom wich is I9505XXUHPK2_I9505ITVHPL1_ITV from sammobile and installed it via odin.
installed compatible bootloader and modemas per your guide (PK2)
rebooted to check if everything was working using stock before going to custom...and...
it started overheating as soon as i tuned on wifi. i only managed to install phoneinfo to check wich modem i have as you suggested, then i had to turn the phone off it off cause it became reeally hot and i thought i could break it. modem chip is "mdm9215m". any suggestion? maybe i should try to instale all the lollipop modems / bootloaders from your post...

dokrobei said:
ok,so
downloaded latest italian rom wich is I9505XXUHPK2_I9505ITVHPL1_ITV from sammobile and installed it via odin.
installed compatible bootloader and modemas per your guide (PK2)
rebooted to check if everything was working using stock before going to custom...and...
it started overheating as soon as i tuned on wifi. i only managed to install phoneinfo to check wich modem i have as you suggested, then i had to turn the phone off it off cause it became reeally hot and i thought i could break it. modem chip is "mdm9215m". any suggestion? maybe i should try to instale all the lollipop modems / bootloaders from your post...
Click to expand...
Click to collapse
After every flash the device become hot. Let the rom settle for a while.
If you have PK2 Firmware then you need PK2 Modem and Bootloader. So no, don't try other modem/bootloader.

Retrial said:
After every flash the device become hot. Let the rom settle for a while.
Click to expand...
Click to collapse
I flashed it last night and checked if it was working this morning. I'm sure the high temps are not related to the usage or to the battery. It become hot eachtime i turn on wifi. Havent tried with data but I think it will be the same thing.