Certified Electronics Laboratory & Pre-Owned Smartphone Specialist | Kępno, Poland Express EU Dispatch: InPost Paczkomat & DPD Europe (24-48h Delivery)
Quality Assurance Protocol

40-Point Diagnostic & Refurbishment SOP

Detailed standard operating procedure executed for every pre-owned device distributed by LAVERTO Sp. z o.o. across European marketplaces.

STAGE 1

Visual & Cosmetic Grading

  • Macro inspection of aluminum/titanium housing & glass back
  • Zero structural bending, cracks, or deep gouges
  • Grade A+ Pristine (flawless, micro-wear < 0.1mm)
  • Grade A Excellent (minor hairline marks, screen immaculate)
  • OLED Oleophobic coating intact & refreshed
STAGE 2

Hardware Diagnostics (PhoneCheck)

  • OLED touch digitizer matrix & multitouch test
  • True Tone & ambient light sensor calibration
  • Face ID / Touch ID biometric authentication
  • Front, wide, ultra-wide & telephoto camera sensor testing
  • Microphones (3x array) & stereo speaker frequency test
  • Cellular 5G/4G antenna RF transmission test
  • Wi-Fi 6E, Bluetooth 5.3, NFC & GPS accuracy check
STAGE 3

Battery & Internal Metrics

  • Battery capacity measured (≥90% of OEM rated capacity)
  • Charge cycle verification (< 500 lifetime cycles)
  • Thermal runaway protection & charging temperature monitor
  • MagSafe & Qi wireless inductive coil test
  • OEM logic board clean of corrosion or liquid ingress
STAGE 4

Blancco Data Sanitization

  • DoD 5220.22-M 3-pass cryptographic wipe
  • Zero residual personal data, factory reset to out-of-box state
  • iCloud / Google Account lock permanent removal
  • Tamper-proof digital data erasure certificate issued
STAGE 5

IMEI & Network Clearance

  • GSMA global blacklist database real-time scan
  • Polish Police & EU stolen property registry clearance
  • Simlock unlocked: accepts any EU carrier (Play, Orange, T-Mobile, Plus, Vodafone, O2)
  • Clean IMEI verification stamped onto warranty document
STAGE 6

Packaging & InPost/DPD Dispatch

  • Medical-grade isopropyl alcohol surface sanitization
  • Protective cushioned air-column bag wrapping
  • Rigid cardboard shipping box with anti-tamper security tape
  • Barcoded batch scanning for tracked InPost & DPD handoff