- vivo-X21-fingerprint-diagram
- vivo-x21-camera-test-01
- vivo-x21-camera-test-02
- vivo-x21-camera-test-03
- vivo-x21-camera-test-04
- vivo-x21-camera-test-05
- vivo-x21-camera-test-06
- vivo-x21-camera-test-07
- vivo-x21-camera-test-08
- vivo-x21-camera-test-09
- vivo-x21-camera-test-10
- vivo-x21-camera-test-11
- vivo-x21-camera-test-12
- vivo-x21-camera-test-13
- vivo-x21-camera-test-14
- vivo-x21-camera-test-15
- vivo-x21-camera-test-16
- vivo-x21-phone-01
- vivo-x21-phone-02
- vivo-x21-phone-03
- vivo-x21-phone-04
- vivo-x21-phone-05
- vivo-x21-phone-06
- vivo-x21-phone-07
- vivo-x21-phone-08
- vivo-x21-phone-09
- vivo-x21-phone-10
- vivo-x21-phone-11
- vivo-x21-phone-12
- vivo-x21-phone-13
- vivo-x21-phone-14
- vivo-x21-phone-15
- vivo-x21-phone-16
- vivo-x21-phone-17
- vivo-x21-phone-18
- vivo-x21-phone-19
- vivo-x21-phone-20
- vivo-x21-phone-21
- vivo-x21-phone-22
- vivo-x21-phone-23
- vivo-x21-phone-24
- vivo-x21-phone-25
- vivo-x21-phone-26
- vivo-x21-phone-27
- vivo-x21-phone-28
- vivo-x21-phone-29
- vivo-x21-phone-30
- vivo-x21-phone-31
- vivo-x21-phone-32
- vivo-x21-phone-33