Check the steps below if your Xperia® device exhibits the following issues after you've done a software update or repair, or factory reset. The device freezes. If a warning sign appears during start-up, wait for the start-up procedure to finish. A start-up procedure after a software update or repair might take up to 30 minutes. Factory reset the SONY Xperia M4 Aqua E2303 using recovery mode. If you are unable to access the phone's settings, you can try factory resetting the SONY Xperia M4 Aqua E2303 using recovery mode. To do this, you will need to enter the recovery mode and select the "wipe data/factory reset" option. need help resetting Sony Xperia M4-Aqua E2306 I have not used my phone in a long time since i have upgraded, I have forgot the password and cannot use google to unlock it. I need to to a factory reset in the bios but I don't know how. there is too many crappy videos that don't help and do not work, I have scoured the internet for answers but I views company / type model name model baseband download; 9110: sony ( lock remove ftf ) xperia m4 aqua: e2303: 26.1.a.2.99: view Contact Support. Parts & Repair. Find firmware updates, drivers and software downloads for Xperia M4 Aqua Dual. 57m7S.

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