Very dissapointed want legal action against edgars brits mall

2020 oct i bought a cell for my grandaughter from Edgars Brits mall had to return it on 4th day as it did not want to switch on.edgars took the phone stated they will get back to me .they never did i jad to drive to them several times to make follow ups the manager never available the times i went .then they called to say phone is there luckily i opened the box only to find a broken phone which was not mine.then they said i must talk to samsung .samsung also delayed this issue then eventually called to say the courrier stole it and they will imvestigate 2 days ago edgars called to ask how am i enjoying my phone i rep**** what phone i never received a phone again?when i asked for headoffice number i was told they cannot give it i went on tp google to get the details i have still.been making payments for a phone i do not have and I have spent 1200 airtime on call centres and driven out alot of fuel had to take off from work to try and get my phone.they have gone against my consumer rights .from November to date i have sent emails to edgars ans samsung i have physically been at edgars brits mall about 17 times and called centres .i would be so appreciative if someone could assit me to get my phone back in working order as paying for something i do not have .