After enabling Developer Mode I was able to enable the "OEM Unlock" feature then use the DSU Loader option to download a DSU package. My two options are "GSI ARM64" and "GSI+GMS ARM64" I used the later as advised. After the download completed I was prompted to restart my device in order to boot into the new image which I did from the notification. 6. Your device will enter Android boot mode. Connect your OPPO mobile to your computer using a USB cable. 7. Then select number 5 and press Enter to wipe data from your OPPO A3s. By following these steps, you can perform a hard reset on your OPPO device using the provided tool, ensuring a successful reset process. FAQs about OPPO A3s Hard Reset Q1. OPPO A3s. Please select your country and operator below to see Device Guides for your operator. Please note: Your operator does not offer Device Guides. Some phones, tablets, guides, settings and other features will be unvavailable or incorrect. Got it. Device Guides is offered to MNOs and MVNOs Oppo A3s CPH1803 OEM Driver Download. As you will see on this page, there are links for direct download of the drivers on the official websites of manufacturers, such as Asus, HTC, Huawei, Lenovo, Samsung, Sony Mobile, Xiaomi, and others. Here you will find the download link in our download section. You will be redirected to the Oppo driver Stay composed! This post is going to share with you five trustworthy ways to get you out of the deadlock. Method 1: How to Unlock OPPO A3s Pattern Lock with Android Unlock. Method 2: How to Unlock OPPO A3s Password via MSM Download Tool. Method 3: How to Unlock OPPO A3s Pattern/Pin by Hard Reset. Enable the USB debugging option on your Oppo A3s CPH1803 device. Go to Settings; Additional Settings-> Developer options to enable it. Find the USB Debugging option and enable it. Make sure your Oppo A3s CPH1803 's bootloader is unlocked. Download and Install the ADB Fastboot drivers on your PC. 1- First step: To find or locate a lost or stolen Oppo A3s and know its approximate location, we first need to have access to a computer, tablet or smartphone with an internet connection. Open the following page find. Oppo Unlock with Google Find My Device. يمكنك بسهولة فتح هاتفك المحمول باستخدام مدير جهاز أندرويد أو العثور على جهازي في Google. تعمل هذه الطريقة أيضًا على مسح جميع بيانات هاتفك المحمول. You should also make sure that the Airplane Mode is not activated. Swipe left. Select Settings. Select Wi-Fi. Turn Enable Wi-Fi on. Select the wireless network you want to connect to. Enter the Wi Just make Hard Reset OPPO A3s or try uploading a new firmware on your OPPO A3s. That way you will restore the default password but also lose all data on your device. That way you will restore the default password but also lose all data on your device. loKU3.