Improving Memory Card (MMC), a corrupt

Using a card reader that connects to your PC
How, through the Format menu of Windows Explorer.
1. Remove the memory card from phone, insert it into the memory card reader.
Note:
Do not carelessly pulled from the phone memory. Especially on the phone with hotswap memory slot like the N70, use the "Remove Memory" to pull out the memory when the phone is active. For phones without the "Remove Memory", you should switch off the phone first.
2. Find the memory card drive (see the Windows menu Eksploler), for example on the drive (D, E, F, G, H or other). If the memory is read, click the right mouse button, and select the menu 'Format'.
3. Next comes a choice of formats (FAT, FAT32 and NTSC), make sure you select FAT file system format.
4. Click the "Format Now" and wait until finished.
If the message 'error' then the PC can not reformat again, use another way which is a format via Command Line menu.

Format via the Command Line
1. On the PC, click Start -> Run, and type CMD.
Command window will appear at the DOS prompt mode.
2. Next type in FORMAT h: / FS: FAT
(h = drive location of the memory card, if memory card is located on drive g, then write g)
3. Wait until finished.
If the problem persists on a memory card, please use another memory card reader. But if it can not be recovered back, was forced to the memory card must be exchanged with the seller, if still under warranty.