Iphone 5 Rogers Fido Canada,Service Down!

Hi gsm people,i need some help around.I have buy one iphone 5 and it was with icloud,i remove icloud and now i have a second problem with sim card.It is rogers fido canada but some services of fido are down what can i make to the phone is there any method to try with chip(i bought to ebay in china rsim10+ problem signal is so low with 2 or 3 point.) or any other thing.Thanks

Model: IPHONE 5S GOLD 16GB GSM
IMEI Number: 013984005680939
Serial Number: F2LQ242PFFDQ
Find My iPhone: OFF
Warranty Status: Out Of Warranty (No Coverage)
Estimated Purchase Date: 08/14/15
Registered Purchase Date: 08/14/15
Product Sold by: ROGERS COMMUNICATIONS CANADA INC
Initial Carrier: Canada Rogers Fido Flex
Purchased In: CA – Canada