Crisp macro product photography of a smartphone screen running a hardware diagnostic test, bright neutral studio lighting, slate gray background
Crisp macro product photography of a smartphone screen running a hardware diagnostic test, bright neutral studio lighting, slate gray background
/ VoltGrade Support

Direct Technical Support Desk

Get direct access to our diagnostic lab for warranty claims, battery health validation, and carrier compatibility assistance. Every inquiry is handled by a certified hardware technician.

Coverage & Diagnostics

Frequently Asked Questions

Clear, transparent answers regarding our 40-point hardware testing, battery health standards, and hassle-free warranty claims.

What is tested?

What does warranty cover?

Our technicians run a comprehensive 40-point diagnostic on every device, verifying multi-touch responsiveness, cellular band connectivity, speaker clarity, and camera sensor alignment.

We back every purchase with a 30-day functional warranty. If any hardware defect occurs, we provide immediate repairs, a replacement device, or a full refund.

How is battery health verified?

Are devices fully unlocked?

Every battery is tested under continuous load. We guarantee a minimum capacity of 85% of original factory health, or we replace the cell before listing.

Yes. Every phone is contract-free, carrier-unlocked, and completely cleared of previous user data, ensuring immediate activation on your network of choice.

Direct Assistance

Submit a Diagnostic Ticket

Have a specific question about carrier compatibility, battery metrics, or warranty claims? Submit your details and a technician will respond within 24 hours.