Root your device first, see How To Root Infinix Smart 4 • Unlock Bootloader, Root and Unroot Infinix...
Use any root file manager, copy the root system/framework folder to Batch Apk Tool's folder _system
Deodex framework files, open Batch Apk Tool
Enter API LEVEL: 28 Android 9, press enter
then CHOOSE TASK: 01 Deodex All APKs and JARs
Wait until deodexed finish, connect the device with enable USB Debugging
Open SmaliPatcher and BROWSE to the _system/framework folder BatchApkTool, select patch option you desired. Press PATCH
Wait until patch mock location finished, extract the patched file then copy service.jar only to internal storage
In case you needed, copy first the ORIGINAL service.jar
Use any root file manager, copy the patched service.jar to the root system/framework folder #gojek #gojekgacor #ojol
Reboot or reboot bootloader to enter fastboot mode
Now you can safely UNROOT your device
Smali Patcher
Latest MT Manager
Batch Apk Tool 3.7.5, choose according to your PC's arch 32bit/64bit