How can I fix iPhone Error 1110 without erasing my phone?

Before resorting to a full erase, try these steps: 1) Free up storage by deleting unnecessary apps, photos, and videos. 2) Offload apps instead of deleting them. 3) Clear the cache for apps in Settings > General > iPhone Storage. 4) Restart your iPhone. 5) Update to the latest iOS version. 6) Check for any corrupted files and try to remove them if possible. 7) Reset all settings (Settings > General > Transfer or Reset iPhone > Reset > Reset All Settings).