Xiaomi hasn't upgraded its Mi Note lineup in a long time. But it looks like the Chinese smartphone maker is preparing two distinct models that could debut soon with titles specifically the Mi Note 10 and Mi Note 10 Pro. While the company is yet to make a formal announcement, the Mi Note 10 and Mi Note 10 Pro have purportedly reached the National Broadcasting and Telecommunications Commission (NBTC) and the Eastern Economic Corridor (EEC) office in Thailand for initial certification. The Mi Note 10 has also reportedly been spotted on Singapore's Infocomm Media Development Authority (IMDA).
The purported listings on Thailand's NBTC an EEC don't provide any details around the specifications of the Mi Note 10 and Mi Note 10 Pro. However, if we believe what tipster Sudhanshu Ambhore Xiaomi phones have received certification from NBTC and EEC, hinting at their official launch in the coming future.
Another tipster, who goes by pseudonym Ice Universe on Twitter, recently claimed that the Mi Note 10 would debut by the end of October. Similarly, a retail box apparently made for the Mi Note 10 was leaked in China, as reported by Chinese news site ITHome.

This could be the retail box of the Mi Note 10
Photo Credit: ITHome
The Mi Note 10 and Mi Note 10 Pro both are speculated to come with the MIUI 11 Camera app version.
Gadgets 360 wasn't able to independently the certification listings of the Mi Note 10 series. Also, an email query sent to Xiaomi for the new update didn't elicit a response at the time of filing this story.
Back in September 2017, Xiaomi had Mi Note 3 as its last Mi Note-series smartphone. The handset offered dual rear cameras along with an AI Beautify feature. It was powered by an octa-core Qualcomm Snapdragon 660 SoC, paired with up to 6GB of RAM and 128GB of onboard storage.