Yes, it is highly recommended to back up your iPhone before sending it for repair in Bangalore or anywhere else. Creating a backup ensures that your important data, such as contacts, photos, messages, and app data, is safely stored in case anything happens to your device during the repair process.
You can easily back up your iPhone using iCloud or iTunes. iCloud allows you to back up your data wirelessly, while iTunes enables you to create a backup on your computer. Once your data is backed up, you can restore it to your repaired iPhone, ensuring a seamless transition without any loss of information.
Taking this precautionary step helps safeguard your valuable information and provides peace of mind throughout the repair process.