Weird Response of AT Command

Hello,
I found weird response on ATI and ati

i need answer, which is the real firmware on my device?

AT+MVER?

STC8F ALL
V2.4 2022-08-24
Normal L1

OK

ATI
FOXCOM MODEM
Quectel_M26
Revision: M26FBR03A04_TTS

OK

ati

Quectel_Ltd
Quectel_M26
Revision: M26FBR01A01_ALIS

OK

+CUSD: 4

Thanks