¶ SAFE METHODS that do not block OTA updates
Feel free to customize your device as you want using these guides. In case of problems it will be possible to restore everything to the factory settings, since you will only touch the data partition.
¶ Temporary custom ROMs, automatically removable after updating
Would you like to customize your stock ROM without loosing OTA updates? This guide is for you! Waiting for future improvements, we can customize our ROM by editing the /data/local/webapps folder and the /data/local/permissions.sqlite file more securely.
Learn more on the dedicated guide:
Here are all the customizations you can safely make on your device, choose the one that most interests you:
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Screenshots, Task manager and app minimize/close on Nokia 8110 4G
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Simple SIM & internet tweaks for Android that also work on KaiOS
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WhatsApp can run on old firmware, see how to patch stock versions1
1 This guide is for users with KaiOS versions lower than or equal to 2.5. It has been tested on Nokia 8110 4G up to firmware version 11, but with the addition of more recent APIs which should also concern the modification of the system partition for the correct functioning of the application. In this case, see the extreme guide on updating the APIs (API update).
¶ CHANGES THAT BREAK UPDATES
These methods will compromise the warranty, since the affected partitions are subject to the integrity test of the OTA update which, in case of detection not compliant with the preset standard, will not be installed. However, if you use backups of your partitions you can restore everything.
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GerdaOS for Jio Phone F90M, the first fork of our best custom ROM from https://factopea.blogspot.com
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Nokia 8110 ROM for Jio Phone F90M, with KaiOS 2.5.1 and KaiStore from https://factopea.blogspot.com
If you want to discover other news related to tools and custom ROMs on different variants of Jio Phone, click here
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CUSTOM RECOVERY MODE: how to make and install it on KaiOS and Android
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CUSTOM FIRMWARE: how to make and install it on KaiOS and Android
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ADBlock, remove all annoying advertisements improving the network experience
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API update, allow your obsolete firmware to use newer applications
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SWAPFILE, increase the power of your RAM by adding virtual memory to double it
NOTE: Methods that require tampering with system and boot partitions require certainty, precision and awareness. Doing random experiments that go beyond what is written and listed on these pages is your full responsibility․ Use at your own risk any other alternative method to that described.