| Most PDAs and smartphones use storage cards to | | | | used in micro SD cards as all new devices have now |
| store user data. Most common types of storage | | | | micro SD slot. SDHC standard supports up to 32 GB |
| cards are MMC (Multimedia Card), Memory Stick Duo | | | | of data storage. That corresponds to 50 hours of high |
| (used in Sony Ericsson phones) and SD (Secure | | | | quality music - quite impressive!. However, they do not |
| Digital). Now most phones implement micro SD (older | | | | work on older phone models. The reason is not |
| models use mini SD) which are just smaller versions of | | | | because of the standard itself (even if your device |
| the same SD standard. | | | | has a mini SD slot, you can use a micro SD card in it |
| Mini and micro SD standard supports cards with | | | | with a mini SD adaptor) but because the older versions |
| capacity up to 2 GB. To increase the capacity, an | | | | of Windows Mobile do not support SDHC. Only |
| extension of this standard called SDHC (SD High | | | | Windows Mobile 6.1 and higher has an SDHC support. |
| Capacity) was recently developed. This standard is | | | | |