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[Q] Are there issues with using roms based on a different firmware?

I am running the stock rom and flashed the new firmware last night ( 1.55.605.2 ) and am interested in running a rom that is based off of an older firmware. Is there any problem in doing this? Will it roll my firmware back to the old one?

I'm currently running the old version of SkyFall (1.3) based on the old firmware, and I updated my firmware today with no problems. So it should be fine, though ymmv. But whatever ROM you want to run will probably be updated soon anyway.
Sent from my VZW HTC One M8

Joeysface said:
I am running the stock rom and flashed the new firmware last night ( 1.55.605.2 ) and am interested in running a rom that is based off of an older firmware. Is there any problem in doing this? Will it roll my firmware back to the old one?
Click to expand...
Click to collapse
I can't remember exactly where I read it but somewhere in the myriads of posts about this OTA it is pointed out that with different hboots, recoveries, kernels and modifications to system files, framework etc. etc. it is almost inevitable that something may go awry.
If you have taken the trouble and time to migrate to a custom ROM, it usually makes sense to let your dev sort things out. On the other hand, if you aren't experiencing any problems with the new firmware, why roll back?
Beamed from the holodeck of my Nexus 7 FHD.

hgoldner said:
I can't remember exactly where I read it but somewhere in the myriads of posts about this OTA it is pointed out that with different hboots, recoveries, kernels and modifications to system files, framework etc. etc. it is almost inevitable that something may go awry.
If you have taken the trouble and time to migrate to a custom ROM, it usually makes sense to let your dev sort things out. On the other hand, if you aren't experiencing any problems with the new firmware, why roll back?
Beamed from the holodeck of my Nexus 7 FHD.
Click to expand...
Click to collapse
It's not so much that I am having issues as I am wanting to try a rom that is showing based on the older firmware and I don't want to cause any issues with that. On a related note, I am running the stock rom currently and flashed the firmware that Santod posted in RUU but my firmware shows that it is still the 1.12.605.11 even though hboot shows me on 1.55.605.2. Did I botch something?

Joeysface said:
It's not so much that I am having issues as I am wanting to try a rom that is showing based on the older firmware and I don't want to cause any issues with that. On a related note, I am running the stock rom currently and flashed the firmware that Santod posted in RUU but my firmware shows that it is still the 1.12.605.11 even though hboot shows me on 1.55.605.2. Did I botch something?
Click to expand...
Click to collapse
See if my post here answers your question/concern.
I urge you to read more of that thread if you have more questions or concerns, as most of them have been answered there.
And for reference:
Old software with new firmware is almost always fine.
Running new software with old firmware is when real issues usually arise.

santod040 said:
See if my post here answers your question/concern.
I urge you to read more of that thread if you have more questions or concerns, as most of them have been answered there.
And for reference:
Old software with new firmware is almost always fine.
Running new software with old firmware is when real issues usually arise.
Click to expand...
Click to collapse
Hey thanks for replying man, I haven't messed too much with manually flashing firmware and didn't want to screw something up. So does the OTA have some software elements to it as well because I've noticed that people who took it are showing the updated firmware and an "Official" or "Unofficial" status in their settings? I've read through a lot of the forums and saw the post you linked to I just wasn't sure if what you were referring to in that post was the same thing as flashing a rom that shows a specific firmware.

G
Joeysface said:
Hey thanks for replying man, I haven't messed too much with manually flashing firmware and didn't want to screw something up. So does the OTA have some software elements to it as well because I've noticed that people who took it are showing the updated firmware and an "Official" or "Unofficial" status in their settings? I've read through a lot of the forums and saw the post you linked to I just wasn't sure if what you were referring to in that post was the same thing as flashing a rom that shows a specific firmware.
Click to expand...
Click to collapse
Firmware is just firmware.
It's not a Rom. It's something that gets updated with the ota that cannot be flashed in a custom Rom.
So before updating to a newer software version based on the update it's best to flash the firmware as well or you just get the software and no firmware by flashing just the Rom.
The firmware is at a lower level on the device and persists through Rom flashing unless you take an ota or flash an ruu.
When running custom roms it's general rule of thumb not to take otas.
Less issues that way.
So to update everything like you would had you taken the ota, you flash firmware and software to be up to date.
In other words, I've provided the firmware part of the OTA.
You just need someone to post a rooted version of the software update now.
Sent from my HTC6525LVW using Tapatalk

[Q] How can I flash a different country firmware?

Hello guys!
I like cm roms very much,but I can't flash any cm 11 rom because my phone is from china, Samsung have update your phone to 4.2.2,but not the devices in china. As you know,cm 11 won't work on 4.1.2. I fell very very sad about this:crying:.
I try to flash a different country Firmware(4.2.2) through odin3. but it did't work.I know your phone can do this.....:crying: I just want to know why? Is it because my phone's bootloader is locked?
Many friends of mine are also want to flash cm 11....but we can only use cm10.1......:crying:
Baseband:
I9105pzcami1
Andriod vertion:
4.1.2
PLZZ help me and my friends....
(PS:sorry for my bad English)

Have you tried flash cm 11 directly from 4.1 bootloader??,may it works most dev write on their op to use 4.2 bootloader, but none tried and tell us may it works too with 4.1bootloader
Edit#
Or you mayvtry this cm10.1 build from @LuK1337 which stabler and more fluid, say thanks to him
https://mega.co.nz/#!w4dUCDDD!NhEHBT9Uo8ZPAmkPVNOamzSCmaTf4sqQWzBpnt1K0uI
Then right after you successfully flashed this one and booted then make a try to flash cm11 newer builds from @b..taki
OrdinaryNoob

bluefly02 said:
Hello guys!
I like cm roms very much,but I can't flash any cm 11 rom because my phone is from china, Samsung have update your phone to 4.2.2,but not the devices in china. As you know,cm 11 won't work on 4.1.2. I fell very very sad about this:crying:.
I try to flash a different country Firmware(4.2.2) through odin3. but it did't work.I know your phone can do this.....:crying: I just want to know why? Is it because my phone's bootloader is locked?
Many friends of mine are also want to flash cm 11....but we can only use cm10.1......:crying:
Baseband:
I9105pzcami1
Andriod vertion:
4.1.2
PLZZ help me and my friends....
(PS:sorry for my bad English)
Click to expand...
Click to collapse
Flash 4.2.2 from different country, wipe data in recovery then install recovery and CM11/other rom.

thanks
SH1M4BD3 said:
Have you tried flash cm 11 directly from 4.1 bootloader??,may it works most dev write on their op to use 4.2 bootloader, but none tried and tell us may it works too with 4.1bootloader
Edit#
Or you mayvtry this cm10.1 build from @LuK1337 which stabler and more fluid, say thanks to him
Then right after you successfully flashed this one and booted then make a try to flash cm11 newer builds from @b..taki
OrdinaryNoob
Click to expand...
Click to collapse
thanks a lot,I will try,,:laugh:

thanks
LuK1337 said:
Flash 4.2.2 from different country, wipe data in recovery then install recovery and CM11/other rom.
Click to expand...
Click to collapse
thanks ,but I can't flash 4.2.2 by odin,it always ends in failure,,,,:crying:So what else I can do?

bluefly02 said:
thanks ,but I can't flash 4.2.2 by odin,it always ends in failure,,,,:crying:So what else I can do?
Click to expand...
Click to collapse
>failure
Screenshot? Additional info?

thanks
LuK1337 said:
>failure
Screenshot? Additional info?
Click to expand...
Click to collapse
Sorry,I have deleted the rom which is from different country，this rom include 5 files,when I click the start button,odin will stuck in "setupconnection....."I have tried many times and used different roms,but none worked...I just find a picture like this on the internet.

bluefly02 said:
Sorry,I have deleted the rom which is from different country，this rom include 5 files,when I click the start button,odin will stuck in "setupconnection....."I have tried many times and used different roms,but none worked...I just find a picture like this on the internet.
Click to expand...
Click to collapse
Jesus...
You should only flash "PDA" and not have the "Re-partition" option ticked. For flashing official firmware, follow the guide here: http://forum.xda-developers.com/showthread.php?t=2428753
Also, flashing Note2 firmware on an S2 Plus is probably not a very good idea.

thanks
AmoledIsBetter said:
Jesus...
You should only flash "PDA" and not have the "Re-partition" option ticked. For flashing official firmware, follow the guide here: http://forum.xda-developers.com/showthread.php?t=2428753
Also, flashing Note2 firmware on an S2 Plus is probably not a very good idea.
Click to expand...
Click to collapse
oh ,I‘m so sorry,I think my poor English makes you misunderstood,the screenshot isn't of mine...I mean my case is just similar to the picture,I'm sure I flashed a s2vep rom..I tried just flash PDA too...I think it is because my phone's bootloader is locked that what makes the failure..:crying:
I have tried many many methods according to the internet....someone said that I should use mobile odin pro app,but this app won't work in s2vep...I almost feel desperate about this ,I think it's time to buy a new phone...
PS:I can successfully flash an offical 4.1.2 rom...

It's impossible...download 4.2 official stock firmware...use the link given by AmoledIsBetter, follow steps, make sure u use the right firmware for ur phone (P version or no P version), and if something goes wrong come here with screenshots from ODIN. If all its OK u can flash CM11 easy...

Never heard of a locked bootloader on a S2 Plus.
Silly question maybe, but are you using the correct Samsung USB drivers for your PC? Did you flash CM 10.1 from the same PC previously?
Which 4.2.2 file are you trying to flash? I know that many have flashed I9105PXXUBNG1 from Germany.
Is your device genuine Samsung?

I think you are still factory locked. (Still locked to a carrier)

Something I read in a thread in past couple of days is that if it's a Chinese handset they can have their own drivers, so search for them, rest of the world drivers may only part work.
Sent from my B1-730HD using XDA Free mobile app

[Q] Is SamMobile safe? (newbie quesion)

Hello
I was wondering if the Roms available on SamMobile were really safe and clean? Given they're not working FOR Samsung, where do they get those?
I'm wondering because I noticed there was a link that came with my phone originally that wasn't there when I restored a ROM I took from SamMobile.
Thank you!

Prosis said:
Hello
I was wondering if the Roms available on SamMobile were really safe and clean? Given they're not working FOR Samsung, where do they get those?
I'm wondering because I noticed there was a link that came with my phone originally that wasn't there when I restored a ROM I took from SamMobile.
Thank you!
Click to expand...
Click to collapse
I flashed many devices with odin and firmware downloaded from SamMobile.com and i never had any problems with it. The provided firmwares are not modified and seem to be 100% official versions.

No need to worry about sammobile as it is safe and clean.
It is all in one resource for Samsung stock roms. I used so many roms for different models from there and never faced any issues.
Can you please describe which link you got additional ??

vipsy6 said:
No need to worry about sammobile as it is safe and clean.
It is all in one resource for Samsung stock roms. I used so many roms for different models from there and never faced any issues.
Can you please describe which link you got additional ??
Click to expand...
Click to collapse
Nothing important really but there was a link to my carrier's mobile site and SamMobile listed the ROM with the name of my carrier. So I thought it had been modified. But maybe it's just because it's the same version as the one my carrier offers but doesn't come FROM my carrier?

Prosis said:
Hello
I was wondering if the Roms available on SamMobile were really safe and clean? Given they're not working FOR Samsung, where do they get those?
I'm wondering because I noticed there was a link that came with my phone originally that wasn't there when I restored a ROM I took from SamMobile.
Thank you!
Click to expand...
Click to collapse
I think that sammobile is a official site...
I unbricked allot devices with their firmwares!!

Newyork! said:
I think that sammobile is a official site...
I unbricked allot devices with their firmwares!!
Click to expand...
Click to collapse
No it's not official, I read somewhere they were named Samsung Firmware before they had to change to Sam Firmware at Samsung's request (before they were named SamMobile). I can't find where I read this though.

Prosis said:
No it's not official, I read somewhere they were named Samsung Firmware before they had to change to Sam Firmware at Samsung's request (before they were named SamMobile). I can't find where I read this though.
Click to expand...
Click to collapse
You're probably right, but one thing you can be sure that sammobile is a safe site....

Alright thanks everyone!

Not official, but safe. They make their money by subscription services for "premium" download privileges. Maybe ads too, but I use adblock, so I wouldn't see them.

Yes me too. But I do wonder where they get all those ROM since Samsung doesn't give the out.

Prosis said:
Yes me too. But I do wonder where they get all those ROM since Samsung doesn't give the out.
Click to expand...
Click to collapse
Most of the Stock ROM's they get from SamsungKies.
I read a interview with them a long time ago, Young ppl who make a difference!

Yes its safe,, true official firmware from samsung

Glad to see this I was wondering the same
Sent from my SM-G903W using XDA-Developers mobile app

Sammobile updates Samsung Galaxy Note 3 N9005 LTE
Hello,
Next newbie here
Could somebody senior please help me? I am wondering about official updates from Samsung for ROMs downloaded from sammobile, are they possible?
I've just installed Kitkat 4.4.2 on my beloved Note 3 after few days of using Darkera's Note 7 ROM when I'm tapping on "Update" in "Software Update" menu I get "Processing failed" message. Overall phone's responsiveness isn't that great, that's why I wanted to see if update is available.
Will appreciate any answers

eevona said:
Hello,
Next newbie here
Could somebody senior please help me? I am wondering about official updates from Samsung for ROMs downloaded from sammobile, are they possible?
I've just installed Kitkat 4.4.2 on my beloved Note 3 after few days of using Darkera's Note 7 ROM when I'm tapping on "Update" in "Software Update" menu I get "Processing failed" message. Overall phone's responsiveness isn't that great, that's why I wanted to see if update is available.
Will appreciate any answers
Click to expand...
Click to collapse
You can't do stock updates on rooted devices with custom ROMs and custom recovery.
You have to remove root, you also need to have an UNMODIFIED system partition and you need stock recovery.
If you're using a custom ROM(your note 7 ROM is a ported stock custom ROM) then that means you are rooted and probably have custom recovery which means you need to remove root and undo any system modifications that were done in the custom ROM(including any special themes and Xposed) then flash stock recovery instead of custom recovery.
Then you might be able to do the updates but the system will be looking for your device to have straight stock with no modification, if there is any modification left behind then the update won't work.
Sent from my SCH-I535 using Tapatalk

Droidriven said:
You can't do stock updates on rooted devices with custom ROMs and custom recovery.
You have to remove root, you also need to have an UNMODIFIED system partition and you need stock recovery.
If you're using a custom ROM(your note 7 ROM is a ported stock custom ROM) then that means you are rooted and probably have custom recovery which means you need to remove root and undo any system modifications that were done in the custom ROM(including any special themes and Xposed) then flash stock recovery instead of custom recovery.
Then you might be able to do the updates but the system will be looking for your device to have straight stock with no modification, if there is any modification left behind then the update won't work.
Sent from my SCH-I535 using Tapatalk
Click to expand...
Click to collapse
Hi!
Thank you for your message.
Here is the list of things I did to my poor note 3 :
- rooted
- installed Darkera's note 7 rom, custom recovery and kernel downloaded also from Darkera
- unrooted with supersu
- using Odin3 I installed kitkat 4.4.2 which I downloaded from sammobile (I was told this process gonna whipe away everything - custom rom, custom recovery and kernel)
- downloaded supersu to make sure root is gone
Because of sammobile's server maintenance happening this weekend I used kitkat file I downloaded from sammobile quite some time ago (N9005XXUEND3_N9005XEOEND2_XEO for Poland) and during flashing everything went ok. But now when I go to 'settings' and 'about device' imei, modem version, baseband version are unknown and when I try to hit 'update' I get "processing failed' message. Oh, and I'm also experiencing random reboots. I'm not sure if all this is a normal thing or perhaps I did something wrong.
I hope I didn't bore you to sleep

Can I install an HBOOT2.15 rom on HBOOT2.16?

I'm a bit confused because I can't seem to find everything about that and will my cm11 ROM that I currently have installed and any other hboot2.15 ROMs still work after upgrading to 2.16 and does anyone else have any experience (bad or good) after upgrading to 2.16?

No, 2.15 roms won't work on the latest 4.x firmware (which contains hboot 2.16). The storage handling is completely different on the newer/leaked firmware. Therefore, flashing an outdated rom will result in the phone stating that your storage has a size of 0 MB. This makes the phone unusable and is only fixable by flashing a firmware 4.x-compatible rom via TWRP.
Aside from that, firmware 4.x is definitely better than version 3.x. The storage partitions get unified so that you won't run out of space for apps, anymore. And not to forget that the latest android 7 custom roms all require the newer firmware.
Make sure that you use one of the "good" guides that update the whole firmware. There are some posts that only explain how to update the hboot (e.g. in the themes section). That's not enough. If you only update that one single file then your phone lacks essential files from the newer firmware and this will result in bugs and lags of the roms that you're using. The guide in the general section is fine or you use the original guide in the maximus hd thread where the 4.x firmware got published first or you look for the unofficial RUU.zip that is hidden somewhere in the dev section.
Sent from my HTC One M9 using XDA Labs

Flippy498 said:
No, 2.15 roms won't work on the latest 4.x firmware (which contains hboot 2.16). The storage handling is completely different on the newer/leaked firmware. Therefore, flashing an outdated rom will result in the phone stating that your storage has a size of 0 MB. This makes the phone unusable and is only fixable by flashing a firmware 4.x-compatible rom via TWRP.
Aside from that, firmware 4.x is definitely better than version 3.x. The storage partitions get unified so that you won't run out of space for apps, anymore. And not to forget that the latest android 7 custom roms all require the newer firmware.
Make sure that you use one of the "good" guides that update the whole firmware. There are some posts that only explain how to update the hboot (e.g. in the themes section). That's not enough. If you only update that one single file then your phone lacks essential files from the newer firmware and this will result in bugs and lags of the roms that you're using. The guide in the general section is fine or you use the original guide in the maximus hd thread where the 4.x firmware got published first or you look for the unofficial RUU.zip that is hidden somewhere in the dev section.
Sent from my HTC One M9 using XDA Labs
Click to expand...
Click to collapse
Thank you very much for explaining it really well, same as for the problem that I'm experiencing with the "2nd partition" in app2sd! As soon as my dad gets home, he and I will update the firmware.
Danke vielmals! ^^
Edit:
Oh, and what is the most stable running android rom that you'd recommend? I don't really want to upgrade to the newest android versions because I don't want any lags :/
-----------Update----------------
Never mind, I already found my current ROM that I am using for HBOOT2.16 to download from F-L-Y-E-R

All android 7 roms are stable and they aren't laggier than the stock rom.
Link to the Lineage thread
Link to the Resurrection Remix thread
A link to the latest TWRP version for firmware 4.x can be found in my signature

I'm now also running lineage as I already installed it yesterday. As of now the ROM hasn't let me down just yet, and it seems that I will be able to use it as my daily driver ^^
So far I'm really enjoying lineage!

Indian ROM download

Hello,
Just got the RN7P from china and I was wondering where can I find the Indian stock ROM (a.k.a. Global ROM)?
Also I live in the EU and from what I've read with the new MIUI 10.3 we will have EU ROM as well?? Is it out yet?
Can't find anything on both my questions in the ROM section of the forum.
Thank you in advance!

Yes we have got Eu ROM too. Here is the thread for it-
https://forum.xda-developers.com/redmi-note-7-pro/how-to/rom-miui-10-xiaomi-eu-t3930319
And if you wish to try developer version of Eu, here is the thread for it-
https://forum.xda-developers.com/redmi-note-7-pro/how-to/rom-miui-10-xiaomi-eu-t3931028

kunalchitara said:
Yes we have got Eu ROM too. Here is the thread for it-
https://forum.xda-developers.com/redmi-note-7-pro/how-to/rom-miui-10-xiaomi-eu-t3930319
And if you wish to try developer version of Eu, here is the thread for it-
https://forum.xda-developers.com/redmi-note-7-pro/how-to/rom-miui-10-xiaomi-eu-t3931028
Click to expand...
Click to collapse
Hi, thank you very much for the provided links. I think it would make things easier, if there are threads created in the ROM&Karnel section for this phone.
What are the main difference between the stable and the developer version of the ROM? Do you get updates if you use the Developer version? Any know bugs?
What about the India Stock ROM? Is it possible to get that one as well?
Thanks in advance

Indian Rom and some info related on the whole thread.
https://xiaomi.eu/community/threads/redmi-note-7-eu-rom-on-redmi-note-7-pro.49807/page-2#post-487769

surfistche said:
Hi, thank you very much for the provided links. I think it would make things easier, if there are threads created in the ROM&Karnel section for this phone.
What are the main difference between the stable and the developer version of the ROM? Do you get updates if you use the Developer version? Any know bugs?
What about the India Stock ROM? Is it possible to get that one as well?
Thanks in advance
Click to expand...
Click to collapse
If you flash with miflash (which wipes everything) you can update with system updater. if you flash via TWRP you have to update manually . The beta will be having little more features and there are no major known bugs. I would suggest you stick with EU rom rather than Global(Indian) version.

pa1shetty said:
If you flash with miflash (which wipes everything) you can update with system updater. if you flash via TWRP you have to update manually . The beta will be having little more features and there are no major known bugs. I would suggest you stick with EU rom rather than Global(Indian) version.
Click to expand...
Click to collapse
Thank you for the reply, I will most certainly give the EU a try. One last thing - will both Stable and Developer ROMs get frequent updates? Regarding to MIUI / Android ?? And are those updates pushed vie OTA or do you need to manually flash them?
Thank you again in advance!

surfistche said:
Thank you for the reply, I will most certainly give the EU a try. One last thing - will both Stable and Developer ROMs get frequent updates? Regarding to MIUI / Android ?? And are those updates pushed vie OTA or do you need to manually flash them?
Thank you again in advance!
Click to expand...
Click to collapse
Yes, Both will be getting updates. If you flash it through miflash you can update it via OTA else you have to flash it through twrp.

Hi,
Apart from OTA updates, is there any other significant needing on Flash with TWRP instead of MiFlash?
Thank you
Sent from Redmi Note 7 Pro using Tapatalk