Warning: This firmware use to repair software smartphone problem and it will clean everything on your smartphone so you have to backup your data, don’t try to flash your device with this firmware if it work prefect. if you use pit file please make sure 16GB or 8GB or 32GB, Because the 8GB Pit file don’t work with 16GB or 32GB and the same for 16GB or 32GB Pit File make sure you use the Correct ROM for your device.
To flash your Samsung galaxy smartphone, you need Odin software made available to the Samsung Galaxy users for flashing a range of things including firmware, custom recovery, CF-Auto-Root and more. Odin software performs a clean install that means; it removes the old firmware and flashes a new one. If you don’t know how to flash you Samsung firmware via Odin read this article.
Backup your data before start flashing you smartphone if you don’t know how backup your data read those Articles,
You are flashing at your own risk.
Firmware Samsung Galaxy 550 SGH-I5500B Android 2.1
Please: If any download link not working inform me by comment
You can find the stock firmware you need in the Firmware List.