Bad Service

Good Day

My name is Zandile Mcikizili ID number ***.. Cellphone number *** .. i bought phone at istore preowned on the 15th of December 2021 under order number Plg11838 11pro better for R12899. cash . i have been requesting to get my phone invoice so that i can insure by phone through you guys . i am nit gett8ng any help i have been sent from pillar to post . today is the 18th i still have not received help from istore i have been calling still they are not assisting me