vivo X21 review: Fast and fun, but not without compromises
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3pcs 2.5D 9H Full Cover Privacy Anti Peeping Vetro temperato, For VIVO NEX V9 V11i Y85 Y93 Y97 X20 X21 X23 V9 V11 PLUS Protezione dello schermo-For VIVO NEX : Amazon.it: Elettronica
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Nokia X21, c'è un identikit: design più tradizionale ed "eccezione" sul chip - HDblog.it
VIVO X21 Plus UD - 6GB RAM smartphone - YouTube
Vivo X21 first impressions: Innovative under-display fingerprint reader aside, this smartphone is built to impress-Tech News , Firstpost
vivo X21 announced, under-display fingerprint version in tow - GSMArena.com news