... accept ainternet order 3. GPRS communication mode Customized Portable Wireless GPRS SMS Printers Hardware Instruction Pull to open the cover ... , and change the paper Keys1 key: 12 key: a, b, c, A, B, C, 23 key:d, e, f, D, ... s, P, Q, R, S, 78 key:t, u, v, T, U, V, 89 key:w, x, y, z, W, X, Y ... GSM operator to confirm.If User name and Password is a must in your country, please entry the related info, ...