Tri-mode designates a phone that supports three specific combinations of frequency band and technology (modes). Currently, the most common type of tri-mode phone in North America is one that ...
Key features include speaker phone, GPRS high-speed data, EMS messaging, polyphonic ringtones, and tri-band world roaming. This phone is not currently available from any major US carrier.
Huawei Mate XT tri-folding phone may soon be heading to global markets as the phone has bagged the UAE's TDRA certification.
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