Easypaisa’s servers regularly enforce minimum version requirements. If you install 2.6.1, the app may show "Update Required" and refuse to work entirely. You won’t even be able to log in.
: Older versions lack the latest security patches and biometric enhancements found in current releases. Account Requirements Easypaisa Old Version 2.6.1 Download
If your goal is just to check your balance or send money without the app, you can always dial consuming less RAM and storage.
This older version has a smaller file size, consuming less RAM and storage. Easypaisa Old Version 2.6.1 Download