Opening an adhesive-sealed phone without cracking the panel or tearing a flex depends on how far your blade travels once it enters the gap, and the JTX XD-4 Blade Set For Phone Disassembly solves that with a rounded tip and a fixed 17mm depth stop. JTXTOOLS built the XD series around a depth-limiting structure, and the XD-4 has the longest insertion reach in the line, a 17mm figure it shares only with the XD-5. This matters on a busy repair bench, because most screen breakage during opening happens when a blade slides past the adhesive line and lands on the display layer or the board underneath. The physical stop on the XD-4 removes that guesswork, so your blade cuts glue and stops where it should, every time. The blade is only 0.1mm thick, which lets it slip into the hairline seam between a display and its frame without forcing a gap that is not there yet. JTXTOOLS forms the blade from a high-toughness, heat-resistant material that holds its shape after repeated jobs and resists chipping, so the edge you start the week with still tracks straight on Saturday. Heat resistance matters because almost every screen or back cover job starts on a separator plate or under a hot air nozzle to soften the adhesive. A blade that warps in that heat turns a routine job into a cracked panel and an unhappy customer. The rounded tip changes how the XD-4 behaves compared to pointed blades. A pointed tip pierces adhesive at one spot. A rounded profile spreads pressure across a wider contact area and glides along the glue line instead of digging into it. That makes the XD-4 a strong choice for long, even runs around a back cover, sweeping adhesive along the edge of a curved display, and working a mid-frame free once the first corner is open. Use a pointed blade from the same series for the first entry, then switch to the XD-4 to run along the seam with less risk of a sudden slip. The non-slip silicone handle gives your fingers steady control during long sessions, which helps on a day full of display problem jobs and battery swaps. A secure grip reduces the chance of the blade twisting inside the gap, and that twist is what usually causes the chipped frame edges customers notice first. In your workflow, the XD-4 belongs to the first stage of hardware repair, the opening stage, before any diagnosis on the board can start. Almost every hardware fault that comes into a Pakistani repair shop needs a clean opening first. That includes a charging issue traced to the charging port flex, a network issue that needs a look at the antenna lines, and a phone that hangs on logo and needs its battery connector checked. If the opening goes wrong, the original fault becomes the smaller problem. A depth-limited blade protects the display flex, the battery, and the board components close to the frame edge, so you finish the job you quoted instead of paying for a second repair yourself. The JTX XD-4 Blade Set For Phone Disassembly works alongside the rest of your opening and rework kit. Keep it next to your Hot Air Stations or screen separator for softening adhesive, your PCB Holders for securing the frame once it opens, and your Microscopes for checking flex connectors and seams before you close the device again. For shops that open many phones every day, the full JTX XD 1-7 series is the natural upgrade path. It adds pointed, square, and hook profiles for flex lifting, short-depth entry, and narrow-angle access alongside the rounded XD-4. For trainees and new technicians, the depth stop shortens the learning curve, since the blade itself enforces safe insertion while their hands build muscle memory. For experienced technicians, it removes one more variable from fast, repeatable work, which a high-volume counter needs when the queue of devices keeps growing through the day.