question about flashing a ROM - Galaxy S 4 Q&A, Help & Troubleshooting

hello ..
i have galaxy s4 Lte (Jfltexx) running on Android 6.0 By CrDroid ..
i'm asking if i can flash another ROM ?
i mean i'm already running on Custom ROM and i want to change it to another custom ROM ..
so i have just to "clean install" (wipe system/cache - flash ROM.zip - flash Gapps...) or there's another method to do it ?​

There's no other method, unless you want to risk having problems.

Pwnycorn said:
There's no other method, unless you want to risk having problems.
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problems like what?

zinou111 said:
problems like what?
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ROMs are all built differently and some have various tweaks under the hood.
Knowing that, do you really think it's a good idea to flash a ROM on top of a completely different ROM?

So, I may face problems and I may face not?
And what if flashed the original frimeware, and then flash the ROM I want to flash? Is that safer?
And thanks.

zinou111 said:
So, I may face problems and I may face not?
And what if flashed the original frimeware, and then flash the ROM I want to flash? Is that safer?
And thanks.
Click to expand...
Click to collapse
You would only complicated yourself.
Just wipe and flash.

Pwnycorn said:
You would only complicated yourself.
Just wipe and flash.
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Click to collapse
Okay, thanks bro.

Related

Flashing

Hey guys,
I'm new to all this custimization and flashing phones. I'm thinking of flashing my T-Mobile HTC HD2 but i wanted to know if after i flash my phone with a custom rom, can i go back to the stock rom my phone was shipped with?
yes but not by hard reset, only by flashing the stock rom.
samsamuel said:
yes but not by hard reset, only by flashing the stock rom.
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Hpw would i do that?
reynaldo_pn said:
Hpw would i do that?
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Just look for your stock ROM in the stock ROM thread.

[Q]Custom Rom + Custom Kernel question

is it safe to go back to stock kernel and rom using odin from any custom rom and kernel i flashed as long as i do it via odin?
yes
marcussmith2626 said:
yes
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so it is a clean fresh stock rom and kernel? no leftover configurations or files from the custom rom i flashed before? Im sorry for asking too many questions , I'm a bit paranoid on bricking my phone
TaylorDahmer said:
so it is a clean fresh stock rom? no leftover configurations or files from the custom rom i flashed before? Im sorry for asking too many questions , I'm a bit paranoid on bricking my phone
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yes if done correctly your phone will be like the first time you ever switched it on
marcussmith2626 said:
yes if done correctly your phone will be like the first time you ever switched it on
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one last question do some custom roms for SGY modify the bootloader?
TaylorDahmer said:
one last question do some custom roms for SGY modify the bootloader?
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Click to collapse
no - you do not need to replace bootloader files or repartition in odin - doing so could damage your device
you only need to include pda phone(modem) & csc
marcussmith2626 said:
no - you do not need to replace bootloader files or repartition in odin - doing so could damage your device
you only need to include pda phone(modem) & csc
Click to expand...
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if i overclocked my device then flashed a fresh stock rom and kernel.. would the CPU return to default?
TaylorDahmer said:
if i overclocked my device then flashed a fresh stock rom and kernel.. would the CPU return to default?
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yes because you are flashing stock rom and kernel firmware - like I said - it will be like you switched the phone on for the first time
please search if you want more information
there are plenty of guides in the general section and on xda as a whole
taylordahmer said:
if i overclocked my device then flashed a fresh stock rom and kernel.. Would the cpu return to default?
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hey dude your phone will be like the first time u switched it on okk
default configuration,bootloader,kernel etc..
Press thanks

Confused (need help )

can anyone tells me what could happen if i flash a ROM of another phone ??
and how can i change the ROM partitions location to make them fit my device ?
Some clarification needed here. What phone's ROM are you trying to flash to yours?
Hedi.Karray said:
can anyone tells me what could happen if i flash a ROM of another phone ??
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It will HARD BRICK your device, you must flash the ROM which is meant for your device ONLY
Hedi.Karray said:
and how can i change the ROM partitions location to make them fit my device ?
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idk, go and ask an custom ROM developer or its impossible
Sent from my GT-I9505 using Tapatalk
yahya wessam said:
It will HARD BRICK your device, you must flash the ROM which is meant for your device ONLY
idk, go and ask an custom ROM developer or its impossible
Sent from my GT-I9505 using Tapatalk
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thank you bro
Strephon Alkhalikoi said:
Some clarification needed here. What phone's ROM are you trying to flash to yours?
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for expl if i wanna flash a ROM of i9505 on my i9500 ?!
what could happen ?
Odin will refuse to install a stock ROM that does not match the model of S4 you try to install it on. This is a good thing, because using your example, at best the device would bootloop. More likely you would end up with a soft brick, as the processor of the I9500 is different from the processor for the I9505.
Flashing a custom ROM not intended for the device will have similar consequences, either a boot loop or soft brick.

Bootloop after Installing PA 6, CM13

Hey,
first sorry for my bad english and I hope you understand what I want to say.
I have flash my OnePlus2 full stock with fastboot and other methods and the phone starts normaly.
But I want use Paranoid Android and if I install Paranoid Android I have a bootloop. (I waited hours..)
I tried with follow recoveries:
Firmware Switch Zip
HybridRecovery from XDA Forum
Official TWRP for OnePlus 2
I have wiped all (flashed stock firmware)
I tried to install CyanogenMod 13 for OnePlus 2 and this doesnt work too.
I hope anyone can help me :c
Greetz
Mike
Have you tried this: http://forum.xda-developers.com/oneplus-2/general/recovery-teamwin-recovery-project-3-0-0-t3310713
lilbluemirage said:
Have you tried this: http://forum.xda-developers.com/oneplus-2/general/recovery-teamwin-recovery-project-3-0-0-t3310713
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Isnt this only for "H2OS based Marshmallow ROMs"?
mansster said:
Isnt this only for "H2OS based Marshmallow ROMs"?
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Nope. Works for OS3 too. I believe the firmware is what's causing your bootloops. give it a shot.
lilbluemirage said:
Nope. Works for OS3 too. I believe the firmware is what's causing your bootloops. give it a shot.
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But I want use Paranoid Android and this firmware works not with CM
mansster said:
But I want use Paranoid Android and this firmware works not with CM
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Click to collapse
I understand you want PA, but your firmware needs to be MM firmware. So you can either flash that or flash the official OS3 first then flash PA.
https://forums.oneplus.net/threads/official-paranoid-android-op2-instructions.449241/
lilbluemirage said:
I understand you want PA, but your firmware needs to be MM firmware. So you can either flash that or flash the official OS3 first then flash PA.
https://forums.oneplus.net/threads/official-paranoid-android-op2-instructions.449241/
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I want PA and I have official OOS3 at the moment.
I have installed the SWITCH to MM Recovery, but it doesnt work :/
Last thing i can think of is possibly a bad download.... Sorry i wasn't much help..
lilbluemirage said:
Last thing i can think of is possibly a bad download.... Sorry i wasn't much help..
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No problem, I hope anyone can help me

How to make a rom work with a new bootloader?

..
ClaudiuXDEV said:
..
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Any more info? Like phone model, Android version?
And stock or custom ROM you have? Do you have custom recovery or no?
WanShootie said:
Any more info? Like phone model, Android version?
And stock or custom ROM you have? Do you have custom recovery or no?
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Click to collapse
Too late bro, I've discovered that if you change the kernel of the rom (with one which is working with the new bootloader) you'll be able to boot it.
At least you made it. Good luck with your new ROM!

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