In addition to dealing with errors and random problems, you must know that you can go back to the current official version of iOS, but you cannot restore from a backup made with your device on iOS 13.
Loko u vona vuxokoxoko byo hoxeka lebyi tatiweke eka ntlheriso, u tsundzuxiwa ku tihlanganisa na muthori kumbe munyiki wa vukorhokeri ku endlela leswaku va byi lulamisa tanihileswi u nga ta ka u nga koti ku cinca kumbe ku sula switiviwa swin'wana na swin'wana swa IRP5 leyi kumiweke ku suka eka vandla ra vunharhu.