Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to root the nexus 7 [title] Back up all information on your nexus 7 tablet. [step] All personal data will be erased from your tablet during the rooting process. [substeps] Sync your personal information with google's servers, copy your data over to your computer, or download a third-party cloud storage service app from google play store.

Ending1: [title] Navigate to the wugfresh website at http: // www.wugfresh.com/nrt /. [title] Select the option to download the nexus root toolkit. Ending2: Open a folder that houses your cellular data, save the data you want to share and tap backup to backup it to your computer. [title] Follow the on-screen instructions for rooting. Ending3: [title] Install os x 10.1 on your tablet. [step] After installation, simply tap the " windows " icon on the home screen. Ending4: If you have a gigabyte device, your tablet will search your phone's applications folder for a root disk that will be used for rooting. [title] Download the latest android root installer.

Answer format: ending1/ending2/ending3/ending4