You shouldn't use this for banking. The biggest risk of running an old APK on Android 4.2.2 is . UC Browser has a controversial history with privacy concerns (data being routed through Chinese servers) and the version you download won't receive security patches.
This article explores why UC Browser is ideal for older Android versions and provides guidance on downloading the correct, safe APK. Why Choose UC Browser for Android 4.2.2? Uc Browser Apk For Android 4.2.2
Using legacy software on older operating systems carries inherent risks. Keep the following safety tips in mind. Avoid Unverified Download Sources You shouldn't use this for banking
Recommended versions for Android 4.2.2 usually fall within the 10.x to 12.x range. How to Install UC Browser APK on Android 4.2.2 Uc Browser Apk For Android 4.2.2