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Well the simcard holder broke the end and the debree is stucked inside and it cant read any simcard im using
Xperia Z3 D6603 how to fix this and i got 2 more problem when i put my cellphone to sleep the screen is not off its just black but there's a light and i cant change the brightness
Hi @Macqyntajz, welcome to our forum and I'm very sorry to hear about this. 
The SIM card holder being stuck in the device is related to the hardware and a technician at an authorized service centre will need to examine your device. While the device is at the authorized service centre they will examine the other unexpected behaviours that you are experiencing with your device.
I recommend that you get in touch with your Local support team and they will assist you further with having your device sent in to an authorized service centre or if there is one close to you that you can visit on your own. If you have any questions regarding warranty, local service routines and so forth they will gladly assist you with this as well.
Let me know how it goes!