You had a ZTE phone in 2017 with an exclusive FM radio app that isn't available anywhere. That app is inside system.img within a PAC file. Extract it, side-load it to your new phone, and it works.
Mobile technicians and custom ROM developers can perform entire firmware modifications directly from their Android device, bypassing the need for a Windows PC or complex command-line utilities. pac file extractor apk exclusive
files contain proprietary "magic numbers" and headers specific to Spreadtrum hardware. Using an exclusive extractor ensures: You had a ZTE phone in 2017 with
(the app installer file) from an app already installed on your phone, you don't need a "PAC" tool; you need an APK Extractor Google Play Top Recommendations: Files by Google : Open the app, go to , tap the three dots next to an app, and select to save the APK. Apk Extractor (by Iraavanan) : A fast tool on the Google Play Store Mobile technicians and custom ROM developers can perform