Bueno esto no es nada dificil siempre y cuando ya lo
tengan telneteado tu E2
conectate al cel mediante samba y busca esta carpeta
system/usr/sysqtapp/sound/ezx_volumetable.cfg
descargas el archivo ezx_volumetable.cfg a tu PC y lo editas con cualquier
editor de notas word pad o cualquiera q tengas la verdad nose q limites
tiene pero asi se los subi yo al mio
Editar a gusto:

pcap_loudspk_music]
9, 9, 9, 9, 9, 9, 9, 9, 9, 9;
[pcap_headset_stero]
8, 8, 8, 8, 8, 8, 8, 8, 8, 8;
[pcap_loudspk_hfree]
3, 3, 3, 3, 3, 3, 3, 3, 3, 3;
[pcap_handset_vcall]
0, 0, 0, 0, 0, 0, 0, 0, 0, 0;
[pcap_headset_mono]
3, 3, 3, 3, 3, 3, 3, 3, 3, 3;
[pcap_car_kit_vcall]
0, 0, 0, 0, 0, 0, 0, 0, 0, 0;
[pcap_3mm5_nomic_st]
15, 15, 15, 15, 15, 15, 15, 15, 15, 15;
[pcap_3mm5_nomic_cl]
13, 13, 13, 13, 13, 13, 13, 13, 13, 13;
[pcap_mic_normalrec]
28, 28, 28, 28, 28, 28, 28, 28, 28, 28;
[pcap_mic_voicecall]
29, 29, 29, 29, 29, 29, 29, 29, 29, 29;
[pcap_mic_handsfree]
31, 31, 31, 31, 31, 31, 31, 31, 31, 31;
[pcap_headmic_music]
28, 28, 28, 28, 28, 28, 28, 28, 28, 28;
[pcap_headmic_vcall]
19, 19, 19, 19, 19, 19, 19, 19, 19, 19;
[pcap_carkit_mic_in]
0, 0, 0, 0, 0, 0, 0, 0, 0, 0;
[pcap_emukit_spk_ou]
-3, -3, -3, -3, -3, -3, -3, -3, -3, -3;
[pcap_emukit_mic_in]
0, 0, 0, 0, 0, 0, 0, 0, 0, 0;
[pcap_emukit_spk_cl]
0, 0, 0, 0, 0, 0, 0, 0, 0, 0;
[pcap_emukit_mic_cl]
0, 0, 0, 0, 0, 0, 0, 0, 0, 0;
[pcap_fmradi_spk_ou]
-18, -18, -12, -6, 0, 3, 6, 9, 9, 9;
[pcap_3mm5_st_miccl]
22, 22, 22, 22, 22, 22, 22, 22, 22, 22;
[end]

si queres copia este y remplaza el q bajas a tu pc recorda tener uno
como si fuera un backup del original sin modificarlo luego q lo subas de nuevo
a tu cel reinicia osea apaga y prende y fijate si tiene cambios

saludos

SI TE GUSTO MI APORTE DAME REPU +