ADB & Fastboot installed, Samsung driver.
Never pay for a tool before trying the free methods. Always scan downloaded tools with VirusTotal, and remember—if a tool promises to unlock your phone in 10 seconds, it is likely malware or a scam. Samsung A20 Frp Unlock Tool
It depends on the binary version. Check your “Download Mode” (Volume Down + Volume Up + USB cable). Binary 4 (U4) and below works with SamFw. Binary 5 (U5) currently requires a paid box tool like Z3X. ADB & Fastboot installed, Samsung driver
For the average user, the paired with the *#0*# test menu method remains the gold standard in 2025. It is free, fast, and requires no technical degree. ADB & Fastboot installed