Once the lens assembly is off, you’ll clearly see the image sensor and the IR filter laying above it. The IR filter has the magenta hue to it.
This is where the fun and nerves begin! I inspected the filter and found that it was separate from the imaging sensor and glued on, so I knew I could break it off. I also saw that it wasn’t 100% flush against its housing, so using the razor blade I snuck it into the top part of the housing and tried to get under the filter very carefully. Once I saw that I had broken some glue, I then use an outward force, to break the glass (and move my blade) AWAY from the sensor. You don’t want to touch the imaging sensor! Doing so will pretty much break your camera!
My filter broke into 3 pieces – yours may break differently. From here, do whatever you can to get the rest of it off without touching the sensor.