hello friend, i can tell u : the lcd separate 6 parts as follow: 1. glass lens 2. OCA glue 3. polarizer film 4.LCM 5. Backlights 6. backlights film the OCA under the Glass lens, the polarizer film is under OCA. now we use KN6.2 UV OCA, it is soft and easy remove bubbles.
hello friend, about the Poor sensitivity of touch screen, it is the OCA Dielectric constant too small, maybe u use bad OCA, if u have any question about OCA, can ask this guy, it is professional in OCA. SKYPE: jack198803