Hello Everyone,Is it possible to downgrade from stable A 11 update to A10 for S10 device?ThanksEdit: You can downgrade from stable A11 to Stable December A10 update without any issues...Remember to backup your data...
Sorry to say but nothing can be done.You can either sale is off or use it as is..They is no bootloader unlocking for this model and you even can't root it.
Your device processor is not exynos.It is a snapdragon version if I am not wrong.Even if you take it to a service center, they won't be much of help as the firmware in India is for exynos.