At first hold down Volume Down and Power keys for a few seconds. When the screen goes dark push Volume Up and Power button for a couple of seconds. If the SAMSUNG Galaxy logo pops up let go of all keys. Well done! Recovery Mode will be on the screen. Use Volume keys to navigate and the Power button to accept it. Learn more info about OPPO A12:https://www.hardreset.info/devices/oppo/oppo-a12/Have you tried to enter the secret menu in OPPO A12 and locate the Recovery M See if this fixes The current image (boot/recovery) have been destroyed issue on Realme and Oppo devices. If it worked out for you, well and good. Otherwise, its time to turn your attention towards the next fix. FIX 2: Flash OZIP Stock Firmware via Fastboot Commands As a mini-reboot, you can go to Settings and select Flight mode. Turn on and off the Flight mode. The second tip would require you to go to the Settings of the phone. Select the section called Wireless and Networks. From the screen that then appears, find the Mobile network option. You may find it there or in the ‘More’ option. U­IRdàž´Z=4 I[©‡Ý"rÒê PµHȼ`õǯ?ÿü÷ß ƒq÷ „iÙ §ËíñúüþÛë¾ÿ¿?_çáì¨{9 fpu{y­8$ åš6 ÛËäÿ½¯þ÷õÛ; w: ¡4nç% âàjo 4- Fourth step: Several options will appear to reset the Samsung Galaxy A71, the first called “Reset settings” resets the default settings, it is a simpler and less deep reset. The method to remove all the content from the Galaxy A71 completely is “ Factory data reset ” click on this option to continue. 3. Cách khắc phục lỗi ColorOS Recovery trên điện thoại OPPO - Sử dụng lệnh Check disk trong ColorOS Recovery. Bước 1: Ấn nút nguồn để điện thoại tắt nguồn hoàn toàn > Ấn giữ đồng thời nút nguồn và nút giảm âm lượng. Ấn giữ đồng thời nút nguồn và nút giảm âm lượng Connect your Oppo Reno A to your computer and launch the software. Tap on the option "Repair Android System". Enter the information on your smartphone. Download the correct firmware. Wait until the end of the process to recover your repaired Oppo Reno A. If you want a lot of tutorials to become the king of the Oppo Reno A, we invite you to JbD89.