Discover. Learn. Upgrade.
As the longest standing mobile phone recycler, it is fair to say we know our stuff. Clear, honest guidance on trade-ins, refurbished devices and the models worth your money, with new guides every week.
Envirofone Advice Centre
New models appear every year, networks change their offers, and there are countless choices when it comes to buying or selling a phone. We have bought and tested hundreds of thousands of devices since 2005, and the Advice Centre is where we share what that taught us.
Every article has the same aim: to give you reliable information that helps you save money, avoid mistakes and make sense of a fast moving market.

Which? Recommended Provider
Which? Recommended Provider for refurbished tech retailers, October 2025. Independently assessed, not paid for.
Phone AdviceiPhone Air vs Galaxy S25 Edge: Which Ultra Thin Phone Wins?Smartphone design has taken a clear turn towards thinner and lighter devices. With the iPhone Air and the Galaxy S25 Edge, Apple and Samsung are both...Read guide
Phone AdviceHow to Maximise Your Phone's LifespanHow to Ensure Your Phone Stays in Good Condition Keeping your phone in good condition isn’t just about how it looks - it can have a real impact on...Read guide
Phone Advice10 TikTok Safeguarding Hacks All Parents Should KnowTikTok is huge with kids and teens, and while most of what they watch is harmless fun, it’s still important for parents to know how to steer things...Read guide
Phone AdviceHow to Unlock Your Mobile PhoneUnlocking your phone gives you the freedom to use a SIM from any network. It makes it easier to switch to a cheaper deal, cut your monthly costs, or...Read guide
Phone AdviceHow to Make Your Phone Battery Last LongerIf you're constantly watching your phone dip into the red, you’re not alone. With heavy apps, brighter screens and always-on connections, even the...Read guide
Phone AdviceHow to Protect Your Smartphone and DataYour smartphone holds an enormous amount of personal information - photos, contacts, passwords, banking apps, emails and more. Losing your device or...Read guide
Phone AdviceHow Long Do iPhone Batteries Normally Last?Battery life is one of the biggest things iPhone users care about - especially as devices age or when you’re deciding whether it’s time for an...Read guide
Phone AdviceiPhone 17 Pro and Pro Max ReviewThe iPhone 17 Pro and iPhone 17 Pro Max represent Apple’s most advanced smartphones, sitting at the top of the current iPhone range. While recent...Read guide
Phone AdviceiPhone 17 ReviewThe iPhone 17 arrives as Apple’s latest flagship, continuing the company’s familiar approach of refining what already works rather than reinventing...Read guide
Phone AdviceHow to Monitor Your Screen Time on SmartphonesWe use our phones for everything - messaging, work, entertainment, navigation, social media and more. But with so much time spent staring at the...Read guide
Phone AdviceShould I Buy The iPhone 11 In 2025?Each year, Apple releases its new, iconic iPhone with bigger specs and better design features than the last (along with a bigger price tag each...Read guide
Phone AdviceWhat Is Low Power Mode on iPhone?If you’ve ever seen your iPhone drop to 20% battery and a yellow icon appears at the top of your screen, you’ve been introduced to Low Power Mode....Read guideReading about upgrading?
Search the model, pick the storage, tell us the condition. The number is instant, and it is the number we pay.