There are many factors that we use to determine the trade in value. We have listed some of these factors below: For Mobile devices such as Tablets and Smartphones, factors that will affect value by a large extent: 1) External Condition – No one wants a dented or heavily worn out device. 2) Battery Condition – Smartphone and Tablets are mobile devices that not used with direct power from adaptors. Batteries for many recent thin and light tablets and phones are expensive and difficult to replace. 3) Unauthorized repairs – Devices that have been repaired by unauthorized channels can cause the device to be deficient in certain areas, such as water resistance. 4) Export units – Export units might be locked, or their OS might be localized and locked to the respective countries. 5) Screen condition – Devices with scratched screens or dead pixels will require, often costly, repair and replacement. 6) Other factors such as age, specifications, usage hours and functionality play a part as well. For devices such as laptops & PCs, factors that will affect value by a large extent: 1) External Condition – No one wants a dented or heavily worn out device. 2) Battery Condition – Applicable for Laptops only. A laptop with built-in battery will not be useful if the battery is no longer holding charge well. 3) Keyboard language – Singapore uses US localized keyboard layouts. Keyboard layouts from other countries which does not use US layout will affect the price adversely. TIPS: For tablets or Smartphones, there is typically a larger price depreciation after 6 months. If your purchased device is within 6 months, do remember to bring down your purchase invoice with complete box and accessories to get a higher price valuation.