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Diagnostics

Common problems and solutions

Recognise your device's problem and see how we solve it.

  • 12months warranty
  • €30diagnostics incl. VAT

Phone won’t charge

Device not responding to the charger, or only charging at a specific cable angle? Usually a worn charging port or battery is to blame.

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Cracked screen — what now?

A cracked or black screen doesn’t mean the end of your device. Screen replacement is the most common repair and is usually done the same day*.

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Battery drains fast

If your device no longer lasts the day or shuts down at 20–30%, the battery is likely worn out. Replacement takes under an hour*.

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Phone won’t turn on

Black screen and no response? The cause can be a dead battery, a software fault or a board failure — most are fixed the same day*.

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Phone fell into water

Acting fast can save the device. Most importantly: do NOT charge it or dry it with a hairdryer — get professional cleaning as soon as possible.

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Computer is slow

Slow boot, loud fans and stuttering? Often a cleaning, fresh thermal paste or an SSD upgrade does wonders.

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* if spare parts are in stock

Recognised your problem?

Send an enquiry. Diagnostics (€30 incl. VAT) is confirmed with you before any repair, and you only pay it if we just inspect the device and you do not have it repaired with us.

Start a repair

Resolving Common Device Issues for B2B Partners

Managing large volumes of damaged electronics requires a reliable partner. At KRON Servis, we specialize in high-quality B2B electronics repair for insurance companies, retailers, and telecommunication operators across the EU. Whether you need bulk laptop repairs or professional phone repair Slovenia, our certified technicians ensure a seamless process with a remarkable 0.9% rework rate.

Efficient Diagnostics and Repair Services

We handle everything from screen replacements to complex motherboard micro-soldering. Every device undergoes a thorough inspection. Our standard diagnostics fee is 30 € with VAT, ensuring complete transparency before any work begins. You can review our standard rates on the pricing page. We exclusively use OEM parts and provide a 12-month warranty on all completed work.

  • Comprehensive phone repair Ljubljana and Maribor facilities.
  • Advanced data erasure certified to InfoSec 5 standards.
  • Detailed repair guides and technical documentation.

Streamlined Communication and Tracking

We understand that time is critical for your business operations. Our facilities operate Mon - Fri: 8:00 - 16:00. To initiate a service request or discuss a partnership, please use the form on our contact page first. For further inquiries, you can reach us via email at questions@kron.si. Once a batch of devices is in our system, your team can easily monitor the progress through our repair status portal or explore our full range of B2B solutions on the services page.

  • 12-month warranty
  • Original (OEM) parts
  • Your data kept confidential
  • You approve the price before the repair
  • 3,284+ devices per month