bác nào check giúp em con iphone 4 lock hay woud

[Lão_Đại]

Device IMEI: 012836008855994
Product description: iPhone 4 16GB Black
Telephone technical support: Expired
Warranty(repairs and service coverage): Expired
Activation status: Activated
Is registered: Yes
Contract status: Under contract
Contract expiration date: August 4, 2013

IMEI 012836008855994
Model iPhone 4
Activated Yes
Telephone Technical Support Expired
Repairs and Service Coverage Expired
Purchase Date 03.08.2011
Contract Until 03.08.2013
Carrier Buy carrier check!
SIM lock Unknown