OnePlus is expected to expand its Ace 6 lineup with the Ace 6 Ultra, which may launch in China as early as April, following the OnePlus 15T debut on March 24. Leaks suggest it could feature a 6.8-inch display with a 165Hz refresh rate and run on the Dimensity 9500 chipset. The handset may have already cleared certification in China, while a possible model listing has …OnePlus is expected to expand its Ace 6 lineup with the Ace 6 Ultra, which may launch in China as early as April, following the OnePlus 15T debut on March 24. Leaks suggest it could feature a 6.8-inch display with a 165Hz refresh rate and run on the Dimensity 9500 chipset. The handset may have already cleared certification in China, while a possible model listing has …