Madrid, Spain
Madrid, Spain
Diagnostics & Testing
We offer in-house diagnostics and multi-point testing to ensure device functionality, performance accuracy and reliable wholesale grading.
Precision Testing You Can Trust
Accurate diagnostics are the backbone of reliable wholesale. At Mobile Depot, every device is put through a comprehensive testing process to ensure that what our buyers see is exactly what they get. We don’t rely on surface level checks, each unit is inspected for performance, hardware condition and resale readiness before being listed or graded.
From mobile phones to tablets, smartwatches and laptops, our diagnostic approach helps eliminate surprises and reduce return rates. We use trusted tools and manual assessments to verify everything from battery health to camera functionality. This allows us to label devices confidently, giving resellers and retailers the trust they need to sell efficiently.
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Enables clearer resale positioning
Reduces DOA rates and returns
Checks for key functions and wear
Trusted hardware and software diagnostic tools
Covers phones, tablets, watches and laptops
Devices tested before grading and listing
Why Our Testing Matters
We go beyond basic checks, our testing process protects your business, boosts buyer confidence and improves resale reliability at scale.
Our Multi Point Inspection Process
We follow a strict multi-point checklist to evaluate the cosmetic and functional condition of every device. From power-up to port testing, no detail is overlooked. This process allows us to assign accurate grades and identify potential issues before devices enter your inventory.
Key tests include display brightness, touchscreen responsiveness, button functionality, microphone and speaker clarity, camera focus and battery performance. We also check for software resets, carrier locks and IMEI validity ensuring the devices are network-ready and safe for resale in any market.
Each technician is trained to identify both visible damage and internal faults. Our inspections are hands on, supported by diagnostic software and backed by strict grading guidelines that keep our standards consistent across every device type.
What We Test In Every Device
Our team inspects every device using manual and software based checks to confirm key features work exactly as expected.
Protecting Value Through Quality
In wholesale, small faults can lead to big losses. Our testing service helps protect your investment by identifying faults before they affect your margins. Buyers can confidently order in bulk, knowing they’ll receive stock that matches their expectations and listings that are 100% accurate.
Testing also gives you a strategic edge by understanding device condition at a granular level, you can align your buying with your sales strategy. Whether you're sourcing premium Grade A stock or budget-friendly repairs, knowing what you’re getting helps you price, market and sell with confidence.
Ultimately, our diagnostics reduce the risk of return cycles, disputes and lost revenue. That’s why our clients from local resellers to global traders trust Mobile Depot to test before they sell. It’s not just about devices, it’s about protecting your business.
Mobile Depot is one of Europe’s leading mobile and gadget wholesalers, supplying bulk mobile phones, tablets, smartwatches and accessories.
With 25+ years of experience, competitive pricing and Marginal VAT invoicing, we are the trusted choice for resellers, retailers and distributors across Europe and beyond.
Services
Mobile Depot is one of Europe’s leading mobile and gadget wholesalers. Mobile Depot is one of Europe’s leading mobile
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