của em nó cứ lỗi này RUNNING NTool 0.049 SERVER CREDITS LEFT/USED: 120/80 Elapsed: 0 secs. PLEASE CONNECT POWERED OFF PHONE PHONE "PNXGAM88C0303920" CONNECTED Project : PNX model : PNX sub_model : none software version : PNX-259E-0-00WW-B03 SW model : 00WW build number : B03 hardware version : 3.1 RF band id : G_850_900_1800_1900^W_1_2_5_8^L_1_3_5_7_8_20_28_ 8_40_41 secure : yes Bootloader type : commercial Download size : 00000512 mB Security version : 0008 Brand : NKA Challenge : E3416C53FD6877F9690E1B01F9C35591EF714EDB Waiting for calculation process ... RESPONSE: "UNSUPPORTED MODEL PNX" [0] server error: unspecified server error [0x1B] FATAL ERROR: server error: No server found. Elapsed: 1 secs.