You can give your Droid a space boost with a microSD card, but if the phone can’t read your card, you’re back to square one. Fixing such a problem can be as simple as removing and reinserting the card, but it can also be significantly more complex. In some cases, the problem may not even be with the SD card, but with your Droid. Each major problem has its own set of symptoms, making troubleshooting a little less complicated.
One Size Doesn’t Fit All
It’s important to pay close attention to what type of SD card your Droid needs. The three most common formats are SD, SDHC and SDXC with all three available in the necessary microSD format for Droid and other mobile devices. However, most Droid models only accept cards up to 32GB, which means you can only use SD and SDHC. SDHC cards range from over 2GB to 32GB and SD cards go up to 2GB. If you try to use a SDXC card, which ranges from over 32GB to 2TB, your Droid won’t read anything on it due to the card using a different file system that Droids don’t support.
Devices Don’t Play Well Together
Most Android devices require a microSD card to be formatted before use; this removes any possible file system compatibility issues. If you’ve used the card in your digital camera or computer, format it before using it with your Droid to avoid read errors. If your Droid recognizes the card but won’t read it, you can format it on your device so it’s compatible. You’ll see the option to Dismount the card under Storage in the Settings menu. Dismount the card and then format it through the Storage menu.
Blame It on the Card
Sometimes the problem with the card is just age or physical damage. If you have a SD card reader for your computer, test the card to determine if the computer can recognize it. If the card works fine, format it and try it again in your Droid. If the card doesn’t work in the card reader, purchase a new microSD card. If two or more cards can’t be read by your Droid but work fine in other devices, it’s likely the problem lies with the Droid.
The gold contacts on a microSD card are easy to scratch or smudge if you handle it often. If the card worked one day, but doesn’t work after removing and reinserting it, check the contacts. If you notice any smudges or dirt, use rubbing alcohol and a cotton swab to carefully clean the contacts. Wait for the card to dry completely before reinserting it. If the contacts are deeply scratched, you may need a new card.
The Great Dismount
If the card isn’t damaged or dirty, your Droid may not have mounted the card properly. You have three options to fix the problem. First, try removing and reinserting the card to see if your Droid mounts the card. You can also restart your Droid with the card already inserted to allow your phone to recognize and mount the card. Finally, go into the Settings menu and select “Mount” under “Storage.”Beyond the Card
If you often have problems fully inserting or removing the card while receiving read errors, your Droid’s card slot may be dirty or damaged. Use compressed air to blow out any dirt. If this doesn’t resolve the problem, you’ll need to have your Droid repaired