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JTG Systems
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JTG Systems
Expert repairs for all iPhone models • Same-day service • 20+ years experience
We are the highest-rated computer company in Niagara.
Expert Apple iPhone repair in Niagara. Fast same-day screen replacement, battery restoration & charging port fixes for iPhone 17, 16, 15 & all models across St. Catharines, Welland & Niagara Falls.
Call or text before visiting, or schedule onsite support, and we'll confirm the fastest next step.
JTG Systems provides expert repair services for the entire Apple iPhone lineup across the Niagara Region, including St. Catharines, Niagara Falls, and Welland. Our bench technicians handle everything from the newest iPhone 17 and iPhone 16 series to beloved legacy models, using high-precision OEM and Grade-A assemblies to ensure lasting reliability.
Whether you need an OLED screen replacement, USB-C port repair, titanium chassis alignment, or battery replacement, our team brings 20+ years of bench mastery to fast, same-day repairs backed by our 90-day warranty. We preserve your iPhone's features like Dynamic Island, True Tone, and ProMotion displays with meticulous calibration.
Apple has determined that the rear camera on a small percentage of iPhone 14 Plus devices may exhibit no preview. If your device is affected, verified by Apple, we can assist with the repair process.
Precision hardware fixes for all generations of Apple iPhone:
Next-generation Apple flagship models
Current generation Apple intelligence models
Grade 5 Titanium & USB-C 3.0
Dynamic Island & 48MP camera
Dynamic Island & Always-On Display
Removable back glass architecture
13 Pro Max, 13 Pro, 13, 13 mini
12 Pro Max, 12 Pro, 12, 12 mini
SE 3rd Gen (5G), 2nd Gen & Original
11 Pro Max (Super Retina XDR), 11 Pro, 11 (Liquid Retina)
X (First OLED), XS Max, XS, XR
Classic aluminum & glass chassis
Precision micro-soldering for USB-C & Lightning ports
OEM-grade battery replacements with zero degradation
Component-level motherboard repair under high-magnification microscopes
Niagara's premier bench technicians with over 20 years of Apple repair experience.
Technicians for Apple products
Premium repairs
Superior support
Clean-room grade diagnostic and assembly procedures:
Complete multi-point diagnostic testing to identify hardware faults and battery state.
Clear, upfront estimates with zero hidden fees before any disassembly begins.
Microscope-assisted microsoldering, adhesive curing, and OEM-spec part installation.
Post-repair calibration, Face ID / Touch ID testing, and full 90-day warranty protection.
JTG Systems • Niagara Tech Support
Cracked OLED screen, degraded battery, or water exposure? Visit our Welland workshop for fast, same-day Apple iPhone service backed by our 90-day warranty.
Trademark Disclaimer: Apple, the Apple logo, iPhone, iPad, Mac, MacBook, Dynamic Island, Face ID, Touch ID, True Tone, ProMotion, Ceramic Shield, Lightning, and MagSafe are trademarks of Apple Inc., registered in the U.S. and other countries and regions.
JTG Systems is an independent hardware repair, data recovery, and technical service provider located in the Niagara Region. All brand names, logos, and trademarks referenced on this page are used strictly for identification and comparative compatibility purposes to inform consumers of repair services offered. JTG Systems is not endorsed by, directly affiliated with, maintained, or sponsored by Apple Inc.