You may be able to connect after restarting the tablet. This is the case with an Apple phone.Every time you leave this wireless connection, you need to restart it. You can always connect without leaving this range.
The 32-bit applications of Apple App Store mainly support iPhone 5 and earlier devices, including iPhone 4s, 4, 3GS, and some early iPod Touch and iPad generation.However, since 2016, most new iOS devices have shifted to the 64 bit architecture, so if you have a newer iPhone or iPad, it is recommended to use the 64 bit version of the app to get the best performance