Landline Phone. If you can learn how to disassemble and assemble back these latest smartphones then you can easily do most mobile phone repairing at your place. Usually the manufacturer's name will appear somewhere on the front of the device, and the exact model number will appear on the back or underneath the battery. Our techs care about you as much as we care about your cell phone repair, so we will keep you updated on every aspect of the repair as it happens. Tools These are some common tools used to work on this device. There was an issue with the Samsung Diagnostics not completing.