Every technician has faced that one pad on the board that refuses to take solder no matter how long the iron sits on it, and the YCS-SX02 Oxidation Point Quick Repair Paste 30cc targets exactly that problem: oxidized contact points and metals that normally reject tin. YCS formulates this paste with strong tin-wetting action, so solder grabs the surface quickly instead of balling up and rolling off. You skip the extra step of transferring nickel or pre-plating the joint, which saves real time when a customer waits at the counter for a charging issue fix or a dead phone diagnosis. The paste also works on metals that tin struggles to stick to, including stainless steel, nickel, and copper, which makes it useful well beyond the motherboard itself. Battery tab and nickel strip soldering is a common example, because plain rosin flux often leaves a dull, weak joint on nickel, while this paste helps solder flow and bond on the first pass. On the PCB side, you can use it to bring old, darkened test points, connector pads, and component pads back to a solderable state before you fit a new part or run a jumper wire across a broken trace. The no-residue, no-clean formula matters on a mobile board, because leftover acidic flux under a shield or near a connector can cause slow corrosion and turn a finished repair into a comeback job weeks later. YCS rates the paste as non-corrosive and residue-free, so you avoid a full cleaning cycle around delicate parts after every joint. The formula is environmentally friendly and odorless, which your bench will appreciate during a long day of soldering in a small shop with limited ventilation. The syringe format gives you controlled dispensing, so you place a small dot exactly on the oxidized spot rather than smearing paste over neighbouring components. The workflow stays simple: inspect the joint under your microscope, clear off loose dirt, apply a tiny amount of YCS-SX02 to the oxidized point, then bring in a tinned tip from your soldering station and let the solder flow. For larger copper areas or shielding frames, a hot air station helps bring the surface up to temperature evenly before you feed solder. Mount the board in a PCB holder so your hands stay free for the iron and solder wire, and check continuity afterwards with a multimeter to confirm the joint carries current properly. This paste fits naturally into a bench kit alongside reballing kits, BGA solder pastes, desoldering wick, and regular flux, because it handles a different job altogether: rescuing surfaces that ordinary flux cannot wet. Shops that handle water-damaged phones see oxidation constantly, from corroded battery connector pads to green-crusted test points near the charging port, and a dedicated oxidation repair paste means you stop fighting the joint and start finishing the repair. Hardware fault work often comes down to one bad connection, and a clean, wetted joint removes one more variable from your diagnosis. Hobbyists who solder battery packs, small DIY electronics, or copper wire connections also get a cleaner, stronger bond without hunting for specialised flux. For repair shops in Lahore, Karachi, Islamabad, Faisalabad, and across Pakistan, the YCS-SX02 Oxidation Point Quick Repair Paste 30cc is a practical, low-cost consumable that earns its place on the bench within the first week of use. Keep the cap closed between uses so the paste stays fresh, and store the syringe away from direct heat. Pair it with a quality soldering station, a clear microscope view, and steady hands, and you get repeatable joints on surfaces that used to waste your time. Order it with your regular solder consumables from KB GSM Store and keep one syringe on every bench in your workshop.