Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: SAMSUNG Galaxy A3 SM-A300FU 16GB Midnight Black Factory Unlocked 4G/LTE Cell Phone
Product description: PRODUCT : SAMSUNG GALAXY A3 FACTORY UNLOCKED CELLPHONE COLOUR : MIDNIGHT BLACK MEMORY : 16GB MODEL NO : SM-A300FU SIMCARD TYPE : NANO-SIM FREQUENCIES : COMPATIBLE TO USE WITH NETWORK SIM CARDS THAT WORKS ON 2G : GSM 850 / 900 / 1800 / 1900 and/or 3G : 850(B5)/ 900(B8)/ 1900(B2)/ 2100(B1) and/or 4G : LTE 800(B20) / 850(B5) / 900(B8) / 1800(B3) / 2100(B1) / 2600(B7) IMPORTANT : PLEASE CHECK WITH YOUR NETWORK PROVIDER THE COMPATIBILITY BEFORE YOU BUY. STOCK TYPE : UK / EU SPECS NOTE : REGIONAL LOCK will be removed by activating (opening) unit prior to shipping.
Product brand: Samsung
Target attributes: Front Camera Resolution
Answer: attribute: front camera resolution
value: None
source: None