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We've got you covered! Download a free PDF copy of the Coolpad Quattro II 4G user manual here.
Yulong backs up the Coolpad Quattro II 4G with a 1 Year parts & labour warranty.
If your Coolpad Quattro II 4G has problems and is still within its warranty period, you could contact Yulong support or the retailer you purchased the phone from. You'll find Yulong's contact information here. If your phone is off warranty and needs repair for a physical problem such as a broken screen or bad battery, you should visit an authorized service centre or a local phone repair shop. You can also connect with others in The Informr Community Forum to find and share answers to questions.