MTN TO MTN FREE CALL AND DATA

It's working on all sim card
==> *567*3*8#
50 naira will b deducted n u will b given
freee call for 1 week,u will b given 9 minutes everyday till d end of dat week
.
.
==> *567*3*7#
75 naira will b deducted n u will b given
freee call for 1 week,u will b given 15 minutes everyday till d end of dat week
.
==> *567*3*6# 100 naira will b deducted n
u will b given freee call for 1 week,u will b
given 39 minutes everyday till d end of dat
week . .
==> *567*3*5*2#
200 naira will b deducted n u will b given
freee call for 1 week,u will b given 2 hours
everyday till d end of dat week . .
==> *567*3*5*1# dis is 4 a day only,40 naira will b deducted
n u will b given 2 hours 4 1 day
.
==> *567*3*4*2# 250 naira n u will call unlimited
for 1 week
. .
==>
*567*3*4*1#
Dis 1 also is 4 one day 50 naira n call unlimited 4 a
day only
. .
==> *567*3*16*2*1#
500 naira will b deducted n u will b given
500mb for 1 month