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UGP v1.0 is a public comment draft. Comments close November 23, 2026. The A–D defect counts are provisional.Public comment draft · until November 23, 2026Comment on this draftComment →
UGPUniversal Grading Protocol
AnnexesNormativeAnnex A

Fault lexicon

PDF

Every fault code, its default severity and the profiles it applies to.

Normative, extended per profile.

CodeFaultDefault severityProfiles
DSP-01Dead pixels ≤ 3minordisplays
DSP-02Dead pixels > 3, or a dead linemajordisplays
DSP-03Burn-in in the centre areamajorOLED
DSP-04Touch unresponsive (whole or part)keytouch displays
DSP-05Backlight dim or unevenmajordisplays
DSP-06Display inoperablekeydisplays
PWR-01Will not power onkeyall
PWR-02Does not chargekeybattery devices
BAT-02Battery health < 80%service (§8)battery devices
CAM-01Rear or front camera failsmajorcameras
CAM-02Flash failsminorphones
AUD-01Earpiece or microphone failskey (phone) / majoraudio
AUD-02Speaker failsmajoraudio
CON-01Wi-Fi, Bluetooth, GPS or NFC failsmajorconnected
CON-02Cellular or SIM detection failskey (phone)cellular
BIO-01Face ID, Touch ID or fingerprint failsmajorbiometric
PRT-01Charge or data port failsmajorall
BTN-01Button or switch failsmajorall
SNS-01Proximity, light or motion sensor failsminorsensors
VIB-01Vibration failsminorphones/watches
MEC-01Hinge loose or brokenmajorlaptops, foldables, glasses
THM-01Overheats, or the fan failsmajorconsoles, laptops, VR
STO-01Storage health < 70%majorcomputers, consoles
LNS-01Optical lens scratch in the viewing pathmajorVR, glasses
JOY-01Persistent analogue-stick driftmajorcontrollers, handhelds
DSC-01Optical drive damages discsmajordisc consoles
LCK-01Activation or account lockencumbrancephones, tablets, wearables, computers
LCK-02MDM or enrolmentencumbrancephones, tablets, computers
LCK-03Firmware or EFI passwordencumbrancecomputers
LCK-04Console service banencumbranceconsoles
LCK-05Operator (carrier) lockeddisclosedcellular
LCK-06Financing holdencumbrancecellular
IDN-01Reported lost or stolenprohibitedall
IDN-02IMEI mismatch or tamperingprohibitedcellular
DAT-01Not sanitisedunsanitizedall