How to insert SIM card and battery in Nokia C5-00.
1.Just pull the Release button down
2.Pull out the cover
3.Insert the SIM card
Remember: Make sure that u keep the golden part of SIM card downside and then insert it as shown in the device.
4.Insert the battery properly
5. Then replace the cover back.
To replace the cover back, carefully align the top lugs, and line up the back cover, then gently press down until the cover locks in its place.
Coming Seraches:
How to install battery and sim in C5
Installing battery and sim in nokia c5
Safely install battery and sim in mobile.
Nokia C5-00 unofficial blog.