Certainly, you can add that promotion to your description as follows:

**Discover Modern Tech's Premier iPhone Repair Services**

At Modern Tech, we understand how crucial your iPhone is to your daily life. That's why we offer a comprehensive range of repair services, ensuring that you get back to enjoying your device as soon as possible. 

And here's the addition:

**For a limited time, we're including a FREE tempered glass screen protector with every purchase!**

Explore our options:

1. **iPhone X or Xr Glass Repair:**

   - Expert glass repair for iPhone X or Xr.

   - Professional technicians ensure a flawless finish.

   - High-quality replacement glass to restore your display's clarity.

   - Affordable pricing without compromising on quality.

3. **iPhone XS Max & iPhone 11 Glass Repair:**

   - Glass repair for iPhone XS Max and iPhone 11.

   - Technicians with extensive experience in these models.

   - Top-tier replacement glass for a like-new display.

   - Competitive rates for premium service.

4. **iPhone 11 Pro or 11 Pro Max Glass Repair:**

   - Glass repair tailored to iPhone 11 Pro and 11 Pro Max.

   - Seasoned technicians ensure perfection.

   - Premium-quality replacement glass for exceptional results.

   - Affordable pricing for top-notch repairs.

5. **iPhone 12 mini & 13 mini Glass Repair:**

   - Glass repair designed for iPhone 12 mini and 13 mini.

   - Skilled professionals dedicated to these models.

   - High-end replacement glass for a crystal-clear screen.

   - Budget-friendly rates for quality repairs.

6. **Battery Replacement for Any iPhone Model:**

   - Battery replacement service for all iPhone models.

   - Our technicians will breathe new life into your device.

   - Genuine replacement batteries for extended performance.

   - Competitive pricing to keep your iPhone running at its best.

**Why Choose Modern Tech?**

- **Expert Technicians:** Our technicians are skilled, experienced, and trained to handle all iPhone models, ensuring precision and expertise in every repair.

- **Quality Materials:** We use only top-quality replacement parts, guaranteeing the longevity and performance of your device.

**Affordable Pricing:** We believe in fair and transparent pricing. Our rates are competitive, and we provide upfront quotes so you know what to expect.

**Customer Satisfaction:** Your satisfaction is our priority. We are committed to ensuring that your experience with Modern Tech is exceptional from start to finish.