sim card contacts damagedI inserted a 'nano sim to micro sim' adapter into my 1020. While removing i took notice of something is going wrong and...
Answer to "Change RAM from 4 GB to 8 GB"I dont know by 100% but afaik the RAM is soldered onto the mainboard.
Answer to "How to fix camera as it makes some noise while in use?"Usually the optical image stabilizer makes these noises (in original package of mine there was a flyer telling something like "the rattling noise you here is no issue - it makes your pictures looking great") I know of some issues where the stabilizer gots loosen. Then the camera had to be replaced. Hope this helps...