Yup, same. Got my M5Stack Basic 2.7 today, burned UIFlow2, but when I try to open a console, or run a program, it shows some log about connecting and disconnecting, and does nothing:

Connected to Serial Port!
4592
heap RAM free: 86704
heap RAM alloc: 2heap RAM free: 86704
heap RAM alloc: 24592
heap RAM free: 86704
heap RAM alloc: 24592
heap RAM free: 86704
heap RAM alloc: 24592
heap RAM free: 86704
heap RAM alloc: 24592
heap RAM free: 86704
heap RAM alloc: 24592
heap RAM free: 86704
heap RAM 4592
heap RAM free: 86704
heap RAM alloc: 24592

Disconnected from Serial Port