If you don't have your mobile uncle tools you can download it here fast direct to your sdcard from googleplay store
Then download imei analyser from googleplay store
After that, you can tweak using this imei:
359767053782901.
Note.: This imei has been used just tweak the last 4digits with you imei analyzers to get a new imei then use your mobile uncle tools to change your imei.
Text mifi to 131 and wait for a welcome message then enjoy !!
I hope my explanation is clear ...
you can also use dis imei
359767053712096
359767053709210
359767053799122
359767053709981
359767053788612
359767053709226
359767053791220
359767053756109
359767053784120
359767053709121
TWEAK any of the following IMEI and enjoy...
comment on this post if you have used any.
They are all fresh and don't forget it is MIFI to 131.