Yes, for very old phones – Nokia Symbian, BlackBerry OS 7, early Android 2.3–4.4, and feature phones from 2005–2013.
A "REPACK" on platforms like GSM-Forum typically stems from the community's need for efficiency. Standard installers may sometimes include unnecessary third-party drivers or have large file sizes that are difficult to download in regions with limited internet. umt card manager gsm-forum REPACK
"Umt Card Manager v4.0 – FULL REPACK – Remove lock, fix bug, unlimited SIM profile write. Tested on Win10." Yes, for very old phones – Nokia Symbian,