I used a programmer written for Arduino to read the Pager’s EEPROM (thanks Dmitrii for the link)
00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 0000 C6 72 DE D1 64 4C 00 00 00 00 92 BC 83 3B 92 BC �r��dL �撼�;�� 0010 E7 0C 00 00 00 00 70 08 08 08 08 88 88 88 88 B6 � p �爈��� 0020 1C 6C 4D 82 6D E2 9C FF FF 00 00 90 09 0B 00 1D lM�m��� ✐ 0030 4C 00 80 24 40 89 8F 8B 5E 5F 60 7B 93 7D 7E 20 L �[email protected]���^_`{�}~ 0040 FE BE A8 AA FE BE A8 AA B4 B4 B4 B4 B4 B4 B4 B4 ���������������� 0050 AA AA CC 00 00 00 00 00 00 00 00 00 04 00 00 00 ��� 0060 00 00 00 80 00 29 26 29 4B 4C 41 36 49 54 38 4E ̀ )&)KLA6IT8N 0070 31 4F 42 36 20 41 50 41 47 41 52 20 3F 20 20 44 1OB6 APAGAR ? D 0080 45 53 41 54 49 56 41 44 4F 20 20 20 20 20 20 20 ESATIVADO 0090 20 20 50 49 4C 48 41 20 47 41 53 54 41 20 4D 45 PILHA GASTA ME 00A0 4D 2E 20 43 48 45 49 41 20 20 44 55 50 4C 49 43 M. CHEIA DUPLIC 00B0 41 44 4F 20 20 20 4C 49 47 41 2F 44 45 53 4C 49 ADO LIGA/DESLI 00C0 47 41 20 53 4F 20 54 4F 4D 20 20 20 20 20 20 20 GA SO TOM 00D0 47 52 55 50 4F 20 20 20 20 20 20 20 20 20 43 4F GRUPO CO 00E0 4E 45 43 54 45 4C 20 20 20 20 20 20 41 44 31 42 NECTEL AD1B 00F0 57 48 33 52 50 33 41 44 31 42 57 48 33 52 50 33 WH3RP3AD1BWH3RP3 Pager Password: MOUSE