Device Repair Services — Rancho Cucamonga, CA
Supreme Tech is Rancho Cucamonga's walk-in repair shop for computers, laptops, MacBooks, iPhones, Android phones, tablets, and game consoles. Our certified technicians diagnose and repair devices quickly, with most repairs completed the same day. Every repair includes a free diagnostic, transparent flat-rate pricing, and a 90-day warranty.
Our shop is located at 11830 Sebastian Way Ste 103, Rancho Cucamonga, CA 91730. We are open Monday through Sunday, 10 AM to 6 PM. Walk-ins are always welcome — no appointment is required for most repairs. Drop off your device, get a free estimate, and pick it up repaired, often the same day.
We repair all major brands including Apple, Dell, HP, Lenovo, Asus, Acer, Samsung, Google, LG, and all other manufacturers. If your device is broken, we can almost certainly fix it. For devices that are beyond repair, we assist with data recovery and device replacement guidance.
Computer & Laptop Repair
- Computer Repair — Desktop and laptop repair for all brands. Hardware diagnostics, software repair, OS reinstall, upgrades.
- Laptop Repair — Screen replacement, battery, SSD upgrade, keyboard, charging port, and hinge repair for all laptop brands.
- MacBook Repair — Screen, battery, logic board, liquid damage, and SSD upgrades for all MacBook models including Apple Silicon.
- Desktop Computer Repair — Power supply, GPU, RAM, storage upgrades, OS repair, and hardware replacement.
- Laptop Screen Replacement — Cracked, dark, flickering, or broken screens replaced same-day for most models.
- SSD & Hard Drive Upgrade — Speed up your computer with a fast SSD. Data migration included.
Phone & Tablet Repair
- Phone Repair — iPhone, Samsung, Google Pixel, Android screen, battery, charging port, and water damage. Done in 30–90 minutes.
- Tablet Repair — iPad, Samsung Galaxy Tab, Microsoft Surface screen and battery replacement.
- Charging Port Repair — USB-C, Lightning, MagSafe, and DC jack repair for phones and laptops.
- Battery Replacement — iPhone, Android, laptop, and MacBook battery replacement. Restore battery life same-day.
Data & Software Services
- Data Recovery — No data, no charge. Recover files from hard drives, SSDs, RAID arrays, USB drives, and phones.
- Virus & Malware Removal — Complete removal of ransomware, spyware, adware, and trojans. Same-day service with security hardening.
- OS Repair & Reinstall — Fix Windows 10/11 or macOS boot failures, update errors, and corruption issues.
- Tech Support — Remote and walk-in troubleshooting for computers, Wi-Fi, email, and software.
Game Console Repair
- Game Console Repair — PlayStation 4, PS5, Xbox One, Xbox Series S/X, Nintendo Switch. HDMI, overheating, disc drive, Joy-Con drift.
Frequently Asked Questions
Do I need an appointment? No. Walk-ins are welcome at 11830 Sebastian Way Ste 103, Rancho Cucamonga, Monday–Sunday 10 AM–6 PM. No appointment needed for most repairs.
How long do repairs take? Most phone repairs take 30–90 minutes. Computer repairs are typically same-day. Complex repairs like logic board work or data recovery may take 2–7 business days.
What is your warranty? Every repair includes a 90-day warranty. If the same issue returns within 90 days, we repair it free of charge.
Do you provide a written estimate? Yes. We provide a free diagnostic and written flat-rate estimate before any work begins. You authorize the repair before we start.
Do you repair water-damaged devices? Yes. We offer water damage diagnostics and repair for laptops, MacBooks, phones, and tablets. Bring the device in immediately and do not try to charge it.
Location & Hours
Supreme Tech is located at 11830 Sebastian Way Ste 103, Rancho Cucamonga, CA 91730. We serve walk-in customers from Rancho Cucamonga, Ontario, Fontana, Upland, Claremont, Montclair, and throughout the Inland Empire.
Book a RepairCall (840) 999-1034📍 11830 Sebastian Way Ste 103, Rancho Cucamonga, CA 91730 · 📞 (840) 999-1034 · Mon–Sun 10 AM–6 PM