Does Fone4u offer a warranty on second-hand smartphones?

Yes, we offer a 12-month warranty on all second-hand mobiles, such as hardware and functionality issues not resulting from accidental damage.

Can I trade-in my old mobile phone with Fone4u?

Yes! Sell your mobile stress-free with Fone4u. Get a quote instantly on our Sell Your Phone page, and hand in or post your device for rapid payment.

Does Fone4u repair phones and tablets?

Yes, we have expert repairs for iPhones, Samsung, iPads, and more, including screen repair, battery issues, and diagnostic work.

We are located at Tolan Street, Ballina, Co. Mayo, F26 XT02, Ireland. You can also visit us at the Sligo Co. Sligo store or the Bray Co. Wicklow store for purchases, repairs, and trading in your devices.

How long is delivery when I shop online?

We provide next-day delivery throughout Ireland on orders received up to 1 PM. Delivery is usually 1-2 working days from your location.

Which payment options does Fone4u provide?

We provide all major credit and debit cards, PayPal, American Express, and in-store payments.

Are the second-hand phones unlocked?

Yes, all our second-hand phones are completely unlocked and ready for use with any Irish or foreign network.

What if I change my mind after I've bought?

We operate a 14-day money-back guarantee on online purchases. If you do change your mind, simply return the phone in its original condition for a refund or exchange.

Aaliya Yousaf
02 Jan, 2026

A Clear Guide to Replace or Upgrade Your iPhone Battery?

Is your iPhone sucking battery life quicker than you can top it up? You might find yourself wondering, "Do I need to replace my iPhone's battery, or is the time finally here to upgrade?" The answer depends on your phone's condition, your usage, and your budget.

At Fone4U, we're here to help you make a budget-friendly, sensible, and sustainable decision, whether you go for a simple battery change or pick up a bargain on a refurbished iPhone from us this year, 2026.

Step 1: Examine Battery Health on Your iPhone

In fact, before any upgrade, it is a great idea to take a look at what kind of battery life your current iPhone provides.

How to Check Battery Health

Settings > Battery > Battery Health & Charging
Check the maximum capacity percentage.

Battery Capacity	What It Means	Recommended Action
Above 85%	This means your battery is in a healthy condition.	You don’t have to think about replacing it yet.
Below 80%	The recommendation from Apple is that it's time to consider either upgrading or replacing your battery	Because of possible shutdowns or performance issues.

Important Note: However, the percentage of battery life is just one of the factors to consider—you should also consider the total speed, camera capabilities, and app compatibility that your current iPhone offers.

When is it better to upgrade?

Sometimes it won't be enough to simply replace the battery if you wish to upgrade your iPhone experience. A new installation is worth the upgrade if:

Your iPhone is slow, crashing, or having problems with new programs.

Your phone stops receiving iOS updates (including security and app issues).

You've physically damaged hardware (cracked screen, broken cameras, bad speaker).

You want better battery life, a camera, and faster performance.

At this point, an upgrade provides improved value, enabling you to get the best from your device without ongoing frustration.

Why Refurbished iPhone Upgrade with Fone4U

If you think it's time to upgrade, Fone4U is your one-stop local place for refurbished iPhones with new year deals, ensuring quality and peace of mind.

This is why people shop with us:

Feature	Details
Extensive Testing	Each iPhone is extensively tested for functionality, battery status, and security.
Battery Health Warranty	A high battery capacity will last an extended period.
Warranty Protection	Every Fone4u iPhone comes with a guarantee to put your mind at ease.
Open Grading	You're exactly sure what you're buying, with detailed technical and cosmetic grading.
Secure Delivery Across Ireland	Your phone arrives securely in 1–3 business days.
Trade-In Options	Trade in your old phone to reduce upgrade costs.

Unlike marketplaces with random sellers, in-house quality control by Fone4U ensures your refurbished iPhone looks, feels, and functions like new at a fraction of the price that a brand-new one would require.

Make the Smart Choice to Repair, Replace, or Upgrade Your iPhone in Ireland

1. The Environmental Benefit: Fix, Refurbish, Reuse

Upgrading to a second-hand iPhone is far greener than buying a new one. Apple reveals that 80% of a product's carbon footprint is due to production. Buying a refurbished device keeps technology in circulation for longer, reduces e-waste, and inspires a more sustainable future.

Battery swaps are green too, but if your phone is struggling in other areas, a top-quality refurbished iPhone from Fone4U is the smarter, greener upgrade.

2. Ready to Make the Right Choice?

At Fone4U, we will assist you in getting the best out of your budget while providing you with an uninterrupted life with Apple devices. Replace the battery of the iPhone or look for a new one, and get the cheapest quality options available.

See our best refurbished iPhone prices today in Ireland and enjoy New Year steals while living life to the fullest with the latest power and performance that you deserve without breaking your bank account.

See what your upgrade or battery swap options are with Fone4U today. Your new iPhone is closer and more affordable than you think.

3. Having the battery replaced on my old iPhone in Ireland, is it worth it?

If your iPhone battery condition is below 80% but otherwise your device is good to go, a battery replacement can extend the life by 1–2 years at a reduced cost. However, if it is slow, has hardware issues, or does not receive iOS updates, the jump for a refurbished iPhone at Fone4U is wiser in the long run.

4. How do I check my iPhone's battery health before deciding?

iPhone Settings > Battery > Battery Health & Charging. Notice the percentage associated with maximum capacity. Below 80% capacity, the runtime might be affected, and a replacement/upgrade with a new battery may be required.

5. Why do I need to buy a refurbished iPhone instead of replacing the battery?

An upgraded iPhone not only brings a new battery but also improved camera resolution, faster performance, and longer software support, giving your daily life a fresh start. Fone4U's new year deals make it cost-effective to upgrade with the promise of quality and warranty protection.

6. Is buying a refurbished iPhone green?

Absolutely, buying a second-hand or refurbished iPhone reduces the amount of “e-waste” and carbon footprint created by the individual, due to the fact that the largest amount of carbon emissions associated with the smartphone is production-related. Buying a refurbished phone from Fone4U maximizes devices staying in circulation while treating you to fantastic value.

7. Where can I purchase the best-refurbished iPhones in Ireland?

Fone4U offers affordable unlimited iCloud storage on warrantied premium refurbished iPhones and fast delivery nationwide in Ireland. Check out our New Year offers of 2026 to receive the latest features on your iPhone at an amazing price.

Frequently Asked Questions

If your iPhone battery is below 80%, otherwise your phone is still speedy, swapping the battery will provide you with 1–2 years of life on the cheap. If, however, your phone's slow, the screen is cracked, or it no longer receives iOS updates, a refurbished iPhone upgrade from Fone4U will provide you with better value and an improved daily experience.

Go to Settings > Battery.

Above 85%: Your battery is fine.
Below 80%: It may impact performance and indicate it's time for the battery to be replaced or to consider replacing your device.

Battery replacement improves battery life, but so does a refurbished iPhone, which improves your camera resolution, speed, and compatibility with the latest apps and iOS upgrades. With Fone4U's warranty-backed refurbished iPhones in Ireland, you have a brand-new-like phone without the cost of buying it like new.

Yes. Purchasing a refurbished iPhone from Fone4U saves e-waste and minimizes your carbon footprint because 80% of the emissions of a phone are at the production level. It's an environmentally friendly option, and you get a good, high-quality working device.

Fone4U provides guarantee-backed, rigorously tested refurbished iPhones with New Year special promotions, trade-in promotions, and rapid Ireland shipping. That way, you get the most bang for your buck and high-level Apple performance for a fraction of the price of brand new.