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1

While formatting with twrp results in an error, formatting with fastboot worked for me: start phone, which will boot into twrp reboot -> bootloader fastboot format:ext4 userdata. This will of course delete all data from the phone.


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I finally got another ROM version which was extracted into .img files to use sp flash tools. I flashed the ROM with sp flash tools and the phone worked again. Tools needed: Sp flash Tool Firmware The link to the stock firmware/ stock ROM file for BLUBOO S8a _V27.20180314 is here ps: credit goes to Rusya77@ Ruslan N and Samin Sikong


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Just download app called "4g lte/3g cellular settings" from playstore and u can change radio band


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I don't think I understand your question fully. It's not clear what and how you have tried so far and faced what constraints or limitations in achieving what you want to. But precisely answering your questions: Mount multi ext4 partitioned external card at boot time, as against manual mounting which I can do Mounting external SD card is handled by vold. ...


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Depends ... If you are talking of having multiboot solutions on the latest Android 9 and Android 10 versions ... that doesn't see to be possible currently and there isn't much interest among the dev community in developing these systems for these newer android versions as android from these versions onward's has undergone some fundamental changes. But for ...


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Many times I tried to repair that device, but when the volume up/down buttons start to fail, it is game over. So I had to quit.


2

Write a script in your PC, look for 'reboot' argument, and execute your own command instead. I do not know how a Window's compatible script would look like, but this is how a simple bash script would look like. #!/bin/bash ADB="PATH_TO_RENAMED_ADB_BINARY" if [[ "$1" == "reboot" ]] && [[ -z ${2} ]]; then # $1 is the first argument received by adb ...


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Heads up to anyone that finds this happening on a Nexus 7. Same problem except there's a secondary problem after explicitly specifying platform tools. Force flashing userdata doesn't allocate all the remaining space for userdata. Solution is to resize it afterward before first boot. If you try to resize after first boot you will get stuck in a boot loop and ...


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To install a custom rom you need a custom recovery for your phone .Then you can switch from a stock rom to a custom rom or from a custom rom to another custom rom . You do not need to install the stock rom for installing new custom rom. But if you flash your stock rom and it vanishes your custom recovery and install the stock recovery again then you have to ...


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Do you really want to flash a custom firmware in your phone or just back your phone again? I need some answers about your phone.. 1. Is your phone was rooted and then you tried custom recovery ? or its bricked before rooting? If your phone is rooted then you can try to flash a custom rom for you phone . If its nor hard bricked then your phone will be okey ...


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Fastboot is implemented in bootloader (like aboot or LK) i.e. in boot chain it loads even before the first process (kernel) of main OS. It has its own very minimal kernel which doesn't recognize any hardware components (even on device) except those necessarily required at this stage (processor, memory, display, flash storage etc.). Communication with PC over ...


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