- Platform: MT6261D
- RAM: 4MiB
- ROM: 8MiB (GD25LQ64)
- PCB: K91-V1.1
- Original firmware: GPLUS61A_11C_NX9_PCB01_gprs_MT6261_S00.NX9_V2_1_YJLNS1_64_T1_L3_C4_G4_B_20151212
- IDE: Embitz v1.11
- Compliler: gcc arm-none-eabi 5.4.1 (As part of IDE)
- PCB photo: PCB_back.jpg, PCB_label.jpg
- Flashing instructions: howto.pdf