···

       
2
       
2
       
 
       


     

       
3
       
3
       
 
       
- Verdict: **⚠️ Proceed with caution!**

     

       
4
       
4
       
 
       


     

       
5
       
5
       
+
       
- Verdict: **🍅 Terrible!** (Japan variants only)

     

       
6
       
6
       
+
       


     

       
5
       
7
       
 
       
Sony has an open policy for software developers:

     

       
6
       
8
       
 
       
- They are releasing AOSP sources under [Sony Open Devices Program].

     

       
7
       
9
       
 
       
- Jolla provides first-class support for installing [Sailfish OS] on select Xperias.

     
···

       
22
       
24
       
 
       


     

       
23
       
25
       
 
       
Sony supports [Custom AVB](../../README.md#custom-avb-keys) Since 2020.

     

       
24
       
26
       
 
       


     

       
25
       
25
       
-
       
***

     

       
27
       
27
       
+
       
You also can't unlock Japan variants. For some reason.

     

       
26
       
28
       
 
       


     

       
29
       
29
       
+
       
***

     

       
30
       
30
       
+
       
Info about Japan devices provided by [madeline-yana](https://github.com/madeline-yana)

     

       
27
       
31
       
 
       
Additional info provided by [K4sum1](https://github.com/K4sum1).<br/>

     

       
28
       
32
       
 
       
Authored by [konradmb](https://github.com/konradmb).

     

       
29
       
33
       
 
       


     

···

       
1
       
1
       
-
       
# NTT Docomo

     

       
1
       
1
       
+
       
# NTT Docomo/b-mobile/IIJMIO/DMM

     

       
2
       
2
       
 
       


     

       
3
       
3
       
 
       
- Verdict: **🍅 Terrible!**

     

       
4
       
4
       
 
       


     

       
5
       
5
       
-
       
NTT Docomo does not allow you to unlock your bootloader, the OEM unlock option is greyed out.

     

       
5
       
5
       
+
       
NTT Docomo (and associated MVNOs) do not allow you to unlock your bootloader, the OEM unlock option is greyed out.

     

       
6
       
6
       
 
       
***

     

       
7
       
7
       
-
       
Authored by [Ivy / Lost-Entrepreneur439](https://github.com/Lost-Entrepreneur439).<br/>

     

       
7
       
7
       
+
       
Authored by [Ivy / Lost-Entrepreneur439](https://github.com/Lost-Entrepreneur439), with additional MVNOs added by [madeline-yana](https://github.com/madeline-yana).<br/>

     

···

       
1
       
1
       
+
       
# Softbank/y!mobile

     

       
2
       
2
       
+
       


     

       
3
       
3
       
+
       
Verdict: **🍅 Terrible!**

     

       
4
       
4
       
+
       


     

       
5
       
5
       
+
       
Softbank and y!mobile do not let you unlock the bootloader either.

     

       
6
       
6
       
+
       
OEM unlocking works fine, however [it seems that Fastboot is modified.](https://www.reddit.com/r/SonyXperia/comments/15qdxt2/bootloader_unlocking_trouble_for_softbank_xperia/)

     

       
7
       
7
       
+
       


     

       
8
       
8
       
+
       
Authored by [madeline-yana](https://github.com/madeline-yana).<br/>