| Need | Free/Low-Cost Alternative | |------|----------------------------| | Screen Unlock | (if USB debugging on), or Odin/Heimdall to reflash firmware | | FRP Bypass | SamFW FRP tool (free for many Samsung models), or MTK Client for MediaTek | | Data Recovery | PhotoRec (open source), Dr.Fone free trial (limited but safe) | | System Repair | Google’s Android Flash Tool (browser-based, official) | | EDL flashing | QFIL (official Qualcomm tool, free but complex) |