Huawei launched the Mate XT Ultimate Design as the world's first tri-fold phone in September last year. The screen of this phone can be folded three times. Now a tipster has hinted that the brand has started working on its successor. The upcoming device may be named Huawei Mate XT 2. The tipster also gave a glimpse of the processor used in this next-generation tri-fold phone. Notably, the ...