iPad Pro 12.9 (2015) - 32 GB - Silver - Wi-Fi 5

Yes, the iPad Pro 12.9 (2015), being a 1st generation model, is compatible with the 1st generation Apple Pencil.

The device has 32GB of internal storage. However, a portion of this is occupied by the iOS operating system and pre-installed apps. Typically, the actual usable storage will be less than 32GB.

No, the internal storage of the iPad Pro cannot be upgraded or expanded. You can use cloud storage services or external flash drives with an adapter to manage your data.

You can update iOS wirelessly by going to `Settings > General > Software Update`. Your iPad will check for available updates. Ensure your device is connected to Wi-Fi and has sufficient battery life or is plugged in.

The 38.5 Wh battery is designed to provide up to 10 hours of web surfing on Wi-Fi, video playback, or audio playback. Actual battery life will vary based on usage, network conditions, and device settings.

Yes, you can connect Bluetooth keyboards and mice to your iPad Pro. For some wired accessories, you might need an appropriate adapter (e.g., Lightning to USB camera adapter).

Apple typically provides several years of major iOS updates for its devices. To determine the most current iOS version supported by your specific model, please check Apple's official support website, as older models eventually reach end-of-life for major OS updates.

Ensure the charger and cable are fully seated in both the iPad and the power outlet. Try a different power adapter and USB cable, and test with another electrical outlet. If the battery is completely drained, it might take a few minutes for the Apple logo to appear after plugging it in. Perform a forced restart by holding the Home button and Power button simultaneously until the Apple logo appears.

Close unnecessary background apps by double-pressing the Home button and swiping apps upwards. Check your available storage in `Settings > General > iPad Storage` and delete unneeded files, photos, or apps to free up space. Update iOS to the latest version compatible with your device. Restart your iPad to clear temporary memory issues.

Toggle Wi-Fi off and on in Control Center or `Settings > Wi-Fi`. Restart your Wi-Fi router/modem and then restart the iPad. If the issue persists, go to `Settings > Wi-Fi`, tap the information icon (i) next to your network, and select 'Forget This Network', then reconnect. Ensure you are within range of your Wi-Fi signal.

Ensure your finger and the Home button are clean and dry. Make sure your finger covers the entire Home button. Go to `Settings > Touch ID & Passcode` and try adding a new fingerprint. If issues persist, remove existing fingerprints and re-add them.

First, try restarting your iPad. If the screen is completely unresponsive, perform a forced restart (hold Home button and Power button simultaneously until the Apple logo appears). If only parts of the screen are unresponsive, try cleaning the screen. If the problem persists, it may indicate a hardware issue.