This video contains complete schematics diagram solution of VIVO V21E. VIVO V21E charging solution, VIVO V21E Touch solution, VIVO V21E Mic Speaker solution, VIVO V21E Network solution, VIVO V21E On Off solution, VIVO V21E Sub PCB solution, VIVO V21E SIM Card solution, VIVO V21E Voltage input output diagram. VIVO V21E ISP Pin out.

Diagram source : Borneo schematics tool (https://www.updateborneo.com) premium subscription.