For vivo V21 4G / V21 5G OEM SIM Card Reader Board Type-Tablet PC Accessories Output terminal interface: external HD

Output terminal interface: external HD DVI equipment

0===1000mA

the light brightness follows the volume of the corresponding brightening / darkening

Variable flash output

The design is perfect

For vivo V21 4G / V21 5G OEM SIM Card Reader Board Type-Tablet PC Accessories Output terminal interface: external HD1. SIM card reader board replacement part 2. Replace your broken or unusable item with a new one 3. Each item has been checked and in good condition before shipping 4. Completely fit and work 5. Professional installation is highly recommended. We will not be responsible for any damages to your cellphone mobile phone that you may cause during the changing of replacement parts Specification: General Compatible with Vivo: V21 4G Package Weight One