乐华RC21T

乐华RC21T,屏幕变红色，只显示一个（M),是什么原因啊？？？？

this item stoped working after 2 days i dont know why.
------- xy-admin
i had a very hard time to get my money back and had to claim from paypal beware.
------- bazgocat
Received item NOT as it was in description. Never trust to this seller.
------- batyr77j
received did not like its, wanted to exchange but seller say no,I very unwanted.
------- bruc97
The charger for the phone broke within a week, and the phone is garbage.
------- mbra3055
I never got my 4GB memory card.
------- dino_minnella

These are comments from eBay buyers for the store 1stshophere and 1stshophere.com. Please be careful when you make decision. Also please keep your eyes open when you buy from digitalchina, memoryworld. Stores with good scores ...