Poor Repair Service

I have attempted to have my phone fixed on four occasions and it still gives me the same problem - cannot detect sim card. I have escalated the complaint and each time no one comes back to me. I have spent an incredible amount of time on this and the last person expects me to take it to another repair center far away from me. They will not collect the phone and will not provide me with a temporary phone. <br> Attempt 1. Vodacare eastgate - replace sim card (at my cost)<br> Attempt 2: Called samsung repair center in Bedford centre. Advised me to replace card reader and to come in. They did not have stock - after telling me to come in.<br> Attempt 3: Left phone at powercare to replace reader. They did this but still same error.<br> Attempt 4: Took phone back to powercare - replaced board. Took a week and still not working.<br> <br> I would really appreciate it if someone at Samsung with authority can revert to me. I do not believe this is acceptable service.