Terrible Telephone sales..add everything!!

Good day, feel very dissappointed in Vodacom after all these years. I wanted to cancel 2 contracts of mine : pensioner and not enough time for all the phones and data.. I phoned them,they told me..i will send you very smart Tablet..with Whatsapp..etc..etc : ..I got Lenova tablet..very fast..but after short while..on road,i ask question re the road..then they say; will get back to you!..days!.3G..hello??.Such old thing! all phones 4G..cant even give it back!..cant use it??what now? Phone them..all depart. No one can help.got Samsung tablet much faster thsts 8yrs old!!, everytime soneone.change contract time...cant understand!.willing to stop debiet order..cant afgord 4 contracts even!! Never told ne 3 G..!! Cant donate it..still pay for it!! *******.. Amanda