To save costs you can buy the far cheaper night owl or similar data bundles, which can be used at midnight hours if you can stay awake one night. I usually mark or keep big downloads and download them with these night hour bundles whenever I can stay awake for one night. Then you save the usual...
For unauthorised Vodacom WASP services send an sms with the words STOP ALL to 31050. You may get a list of WASP services you probably didn't know of.
For Cell C:
Use the USSD string *133*1#
MTN
MTN has four separate USSD strings to manage premium content subscriptions, each of which needs...
Ok, first thing you can do is to stop automatic updates in settings, because some apps do updates sometimes daily. Set it to first ask for permission to update or only update when wifi is available.
You can also stop all wasp services that sneaked through on your phone. Each carrier has its own...
If you didn't know; when getting a new package nowadays there are always some hidden data gobblers included. Those can be automatic updates, background activities and lately some sneaky services being dumped on you. Its a minefield, so rather do some research on that.
I can elaborate if you are...