dios ahora me toca enviar el móvil a china

horror.
Alguien me puede echar una mano? me han dado toda la información pero yo estoy muy verde en ello.
Contact Name: LI WEI
Address:
No.102,Building P09,
China South City,Pinghu Town,
Longgang District,
Shenzhen City,
P.R China
Zip Code: 518111
Before you ship your package, please double check the following things:
1. The returned SKU and quantity matches those you requested in your RMA application
2. The TF memory card shouldn't be sent with the defective product,
3. Save and remove all your dates from the defective product.
4. Please use the Registered AirMail to send the item back instead of express, once the package received, we'll compensate the shipping cost for you.
Warning:
Please make sure the phone unlocked before returning, so that it will be convenient for our product engineer to diagnose and solve the problem.
During maintenance, in addition to the product a original factory settings.So please make a backup because phone containing the documents will be deleted.
Please don't forget to note your order number and email address with the package so that it would be convenient for us to handle.
We'll give a solution once the return item is checked by our QC and is confirmed there is no man-made damage.
Thank you for your understanding.
Should you have any further questions, please do not hesitate to contact us.
have a nice day
Hellen
como me recomendáis que lo envié???? tengo que enviar el móvil solo o todo? su caja sus baterías etc.