My tecno m3 has locked about 3 SD cards av used in it. Whenever I insert any SD card in the phone it automatically renames the SD card to TECNO M3 H and when I want to format the SD card with a PC it tells me that the disk is write protected. I av tried my best to fix this issue all to no avail. please anybody with a solution to this should help me out.

Try the SD card on another phone
If it works, then your phone is the problem.

Mekanus:
My tecno m3 has locked about 3 SD cards av used in it. Whenever I insert any SD card in the phone it automatically renames the SD card to TECNO M3 H and when I want to format the SD card with a PC it tells me that the disk is write protected. I av tried my best to fix this issue all to no avail. please anybody with a solution to this should help me out.

Hi Mekanus, as for the problem you mentioned ,you can try to restore factory settings, but remember to back up important files. If the problem still exists, you can try to take your phone to our Carlcare Service Center, our colleagues there will try to help you with your phone problem. If you need us send your address and hotline of our service center, please let us know the city and state you are living in now. Thank you!