So I'm currently in doha right now but soon we will he goinh home for good in the philippines and I want to change my firmware to philippine firmware and I'm currently using samsung galaxy s9, actually I already did try it but the firmware didn't change still uae region, can anyone help me? I tried changing it using oding and donwloading the latest firmware for my phone from SamMobile.
You have to flash all of those files as it's a combination. Especially when you want to change the default country. You must be very careful while checking whether the device model number is the same both in Philippines and Doha.