English-speaking certified technician. On-site repair at your location in Jerusalem — in my vehicle. Credit card / Bit / Cash accepted.
Ofir provides professional Samsung Galaxy S21 Ultra repairs throughout Jerusalem, traveling directly to your location to fix your phone in his mobile workshop. Most repairs, including screen and battery replacements, are completed on-site within an hour, ensuring your device never leaves your sight.
The Samsung Galaxy S21 Ultra is a powerhouse, but its curved glass and complex internal array make it difficult to repair without professional tools. If you are an expat, student, or resident in Jerusalem dealing with a shattered screen or a failing battery, O-FIX offers a seamless solution. Ofir Hershko provides a fully mobile repair service, arriving at your location and performing the work inside his specialized vehicle. You won't need to part with your phone or travel to a shop; the entire process happens at your doorstep. Whether it’s a display failure or a charging issue, Ofir ensures your S21 Ultra is handled with precision and returned to service quickly.
The curved edges of the S21 Ultra's 6.8-inch display make it highly vulnerable to impact. Even a minor drop can cause the 'black ink' bleed or permanent vertical lines. Ofir offers multiple replacement tiers, from genuine Samsung Service Packs to high-quality refurbished panels, ensuring the ultrasonic fingerprint sensor and S-Pen functionality remain perfectly calibrated after the swap.
If your S21 Ultra refuses to charge or gives a 'moisture detected' warning despite being dry, the USB-C port is likely damaged or corroded. This model is also prone to internal ribbon cable wear near the charging assembly, which can lead to slow charging or a complete lack of data connection. Ofir replaces these components on-site to restore fast-charging capabilities.
While the S21 Ultra has a large 5,000mAh capacity, heavy use and high refresh rates eventually degrade the cell. If your phone is overheating during standard tasks or shutting down at 15%, a battery swap is necessary. Ofir uses genuine cells or re-celled originals that restore your phone to its full factory runtime and peak performance.
The S21 Ultra features a massive camera housing that is prone to cracking if the phone lands flat on its back. If your 108MP main sensor or 100x Space Zoom is blurry or fails to focus, it often indicates the internal stabilization (OIS) has been damaged by vibration or impact. Ofir can replace individual lens glass or the entire camera module inside his vehicle.
A frequent issue with the S21 series involves the internal 5G antenna connections loosening near the bottom of the frame. This results in 'No Service' messages or dropped calls even in areas with strong coverage in Jerusalem. Ofir can diagnose whether this is a software glitch or a physical hardware disconnection and fix it during the service call.
The process begins when you contact Ofir with your specific S21 Ultra issue. He will provide a clear explanation and a quote. Once confirmed, he typically arrives at your Jerusalem address within 90 minutes. You hand the phone to him at his vehicle, and he performs the repair in his climate-controlled mobile workshop. You are welcome to watch through the window or wait inside your home; the phone never leaves your sight. After the repair, Ofir runs a full diagnostic to test the touch sensitivity, cameras, and sensors. Once testing is complete, he returns the phone to you immediately.
For the S21 Ultra, parts quality is critical for maintaining the 120Hz refresh rate and S-Pen compatibility. Ofir offers genuine Samsung Service Packs, which include the frame and a new battery, as well as refurbished originals and quality OLED aftermarket screens. For battery issues, you can choose between a genuine Samsung battery or a re-celled original. Both battery options utilize original components and a fresh cell to restore factory capacity. Ofir will clearly explain the differences in durability and display technology so you can make an informed choice for your specific device.
Ofir provides a three-month warranty on all functional repairs and battery replacements. Please note that screen replacements and glass back repairs carry no warranty. This policy is strictly enforced to ensure clarity regarding the fragile nature of high-end glass components. All battery replacements, whether genuine or re-celled, are covered for three months against manufacturing defects.
Most S21 Ultra repairs, such as screen or battery replacements, take between 30 to 60 minutes. Ofir performs the work inside his vehicle parked outside your home, so you don't have to wait days for a lab to return your device.
Ofir covers all neighborhoods in Jerusalem and immediate surrounding areas. He travels to your specific address, whether you are at home, in a dorm, or at your office, providing a completely mobile service.
For the S21 Ultra, you can choose between a genuine Samsung Service Pack (the highest quality), a refurbished original screen, or a high-quality OLED aftermarket option. Ofir will explain the technical differences in brightness and durability before you decide.
Yes, the S21 Ultra is a complex device. The technician will arrive in a fully equipped mobile workshop with the specific precision tools and adhesives required to open the device and reseal it correctly without damaging the sensitive internal components.
Ofir is available Sunday through Thursday from 9:00 AM to 8:00 PM, and Fridays from 9:00 AM to 2:00 PM. He is closed on Saturdays. Usually, he can arrive at your location in Jerusalem within 60 to 90 minutes.
WhatsApp or call Ofir: 058-544-9992. Sunday to Thursday, 9:00 AM – 8:00 PM; Friday, 9:00 AM – 2:00 PM. Saturday closed. Service area: Jerusalem and the surrounding area.