The answer to 'how to unclog faucet installation' is to first try a basic faucet cleaning and unclogging method. Begin by removing the faucet aerator, which is the small screen at the end of the faucet. Soak the aerator in white vinegar for a few minutes to dissolve any mineral buildup, then scrub it with an old toothbrush. Next, use a plunger to plunge the faucet drain several times to dislodge any debris. If that doesn't work, you may need to disassemble the faucet to access and clear the internal mechanisms.
If the basic methods don't clear the clog, you may need to use a faucet-cleaning tool or chemical drain cleaner. Be very careful with drain cleaners, as they can damage faucet parts. As a last resort, you may need to replace the entire faucet if it is severely clogged or damaged. It's best to call a professional plumber if you are uncomfortable disassembling the faucet or using harsh chemicals.