Over promised and under deliver

<p>I have ordered a sim card from FNB device services center and on Friday the 04 Nov 16 I received a message on notifying me that the Sim will be delivered to the dedicated address on the same Friday. Nothing was delivered or communicated. I called their call center yesterday 07 Nov 16 and I was informed that they experienced courier challenges on Friday the sim card will be deliveded before 17:00, at 16:50 I called their call center again enquiring on the sat is the agent could not assist and promised to call today the 08 Nov 16, to this end (08 Nov 16 @ 13:40) I have not received any communication nor the Sim..The FNB Device Services Centerover promise and under deliver very poor in cimmunicating, now wondering of the standard I will get on the purchased priduct.. </p>