Help to make my converted Galaxy s2 back to shw-m250s - Galaxy S II Q&A, Help & Troubleshooting

Basically I converted my Galaxy s2 m250s to gt i9100 but how to revert back?

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Evie103818 said:
Basically I converted my Galaxy s2 m250s to gt i9100 but how to revert back?
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Tried Odin to flash stock firmware?

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bmwdroid said:
Tried Odin to flash stock firmware?
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Yes I tried but all I found was a tar.md5 file and I flashed it md5 is invalid and I tried renaming it from tar.md5 to tar but it failed on factoryfs and I don't want the gt i9100 firmware the shw m250s firmware

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Evie103818 said:
Yes I tried but all I found was a tar.md5 file and I flashed it md5 is invalid and I tried renaming it from tar.md5 to tar but it failed on factoryfs and I don't want the gt i9100 firmware the shw m250s firmware
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Search and flash via odin ROM for your SHW-M250S.
samfw.com
sfirmware.com
samfrew.com
etc

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ze7zez said:
samfw.com
sfirmware.com
samfrew.com
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Samfw doesn't have the fw, sfirmware no fw download link and samfrew they didn't have it

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ze7zez said:
(...)
etc
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Samsung SHW-M250S Stock Firmware ROM (Flash File)
Download the official Samsung SHW-M250S Stock Firmware ROM (Flash File) for your Samsung Mobile. We also provide all other Samsung Stock Firmware for free.
firmwarefile.com

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Evie103818 said:
Samfw doesn't have the fw, sfirmware no fw download link and samfrew they didn't have it
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Try
GitHub - ivanmeler/SamFirm_Reborn
Contribute to ivanmeler/SamFirm_Reborn development by creating an account on GitHub.
github.com
This loads firmwares directly from Samsungs servers if it exists there.
Fill in device name and region (look them up here: https://samfrew.com/)
Check "binary nature" and "decryption".
Results in one zip file containing the files for Odin.

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ze7zez said:
Samsung SHW-M250S Stock Firmware ROM (Flash File)
Download the official Samsung SHW-M250S Stock Firmware ROM (Flash File) for your Samsung Mobile. We also provide all other Samsung Stock Firmware for free.
firmwarefile.com
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Sorry, you can't view or download this file at this time error is what i get and i tried this already but it was the same error.

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bmwdroid said:
Try
GitHub - ivanmeler/SamFirm_Reborn
Contribute to ivanmeler/SamFirm_Reborn development by creating an account on GitHub.
github.com
This loads firmwares directly from Samsungs servers if it exists there.
Fill in device name and region (look them up here: https://samfrew.com/)
Check "binary nature" and "decryption".
Results in one zip file containing the files for Odin.
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Click to collapse
i got this:
Error: Could not send BinaryInform. Status code 200/400
Request was invalid. Are you sure the input data is correct?
Could not fetch info for SHW-M250S/SKT. Please verify the input or use manual info

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reserved

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Evie103818 said:
Yes I tried but all I found was a tar.md5 file and I flashed it md5 is invalid and I tried renaming it from tar.md5 to tar but it failed on factoryfs and I don't want the gt i9100 firmware the shw m250s firmware
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Click to collapse
You need to flash m250s firmware with .pit file and tick repartition in Odin.
I9100 and M250 have different partition size for factoryfs.

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the problem is i dont have the firmware

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this is the log
<ID:0/003> SetupConnection..
<ID:0/003> Initialzation..
<ID:0/003> Set PIT file..
<ID:0/003> DO NOT TURN OFF TARGET!!
<ID:0/003> Get PIT for mapping..
<ID:0/003> Firmware update start..
<ID:0/003> factoryfs.img
<ID:0/003> NAND Write Start!!
<ID:0/003>
<ID:0/003> Complete(Write) operation failed.
<ID:0/003> Added!!
<OSM> All threads completed. (succeed 0 / failed 1)

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reserved

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Evie103818 said:
the problem is i dont have the firmware
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Download Firmware for Samsung Galaxy S2 (Korea) SHW-M250S Android Jelly Bean 4.1.2
View Secifications of Samsung Galaxy S2 (Korea) SHW-M250S Mobile and Download Android Jelly Bean 4.1.2 Firmware
samsony.net
Works 100%

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i tried that one also it fails on factoryfs.img

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Evie103818 said:
i tried that one also it fails on factoryfs.img
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Which version of Odin are you using?
Have you tried Heimdall?

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hemidall is confusing so i use odin

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Evie103818 said:
hemidall is confusing so i use odin
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Odin can't fit factoryfs.img into the phone's memory, so it creates an error message. You have no other solution to your problem but to learn heimdall. Heimdall downloads the correct pit for your model and flashes a single-file ROM.