Power off the phone. Hold Volume Up + Volume Down while plugging the phone into your PC via USB. Open Odin: Run Odin3 as an Administrator.
The most popular database. It is reliable but offers slow download speeds for free users. celero 5g firmware link download
A high-speed downloader that fetches firmware directly from Samsung servers. You simply input your model (e.g., SM-A226BR) and CSC code (e.g., BST for Boost). Power off the phone