Reflash Lab articles

Fix Hikvision and Annke camera apps that stop sending push notifications after a fresh GrapheneOS install by patching the GSF check.

How system-wide DNS and firewall tools, browser content blocking, and root-based hosts filtering fit together on a modern Android phone.

A phone can still be fast, attractive, and officially installable while having too little firmware support left to be a sensible purchase.

A useful Android recommendation separates data collection, exploit resistance, owner authority, application compatibility, and longevity.

A practical comparison of GrapheneOS, CalyxOS, /e/OS, LineageOS, and crDroid based on phone support, Google services, apps, security, and customization.

What an “unlocked” phone listing actually tells you, how to check OEM unlocking, and what to verify before buying or shipping a phone.

Device-specific instructions for installing GrapheneOS on a Google Pixel 6a (bluejay) from a Windows PC using the command line.

A command-line guide for unlocking the Nextbit Robin bootloader, installing TWRP, and flashing LineageOS with optional applications and root.

A step-by-step method for converting TM-AC1900 firmware and boot data to the ASUS RT-AC68U or RT-AC68P configuration.

A Windows-based installation guide for TWRP, LineageOS, optional Google applications, and root on supported Galaxy S7 variants.

A concise installation guide for flashing DD-WRT on an ASUS RT-N66U hardware revision B1, followed by recovery and operating notes.

A Windows and ADB procedure for obtaining permanent root and S-OFF on an HTC myTouch 4G running Android 2.2.1.

A historical configuration for combining Google Voice, TrapCall, and carrier voicemail through conditional call forwarding.

A field note about Google Voice calls losing caller ID on one carrier line and the account-level change that ultimately resolved it.

The leaked DOJ carrier-retention chart released by the ACLU, shown alongside the limited public disclosures carriers make today.

A field note about dropped calls and the “No circuit/channel available” error, including the 2G-only workaround that resolved it on the affected phone.