How to patch J7 3.10/4 to J7 3.10/4 OOK2 1b4+
(all links at http://sony.nm.ru/)

1. Take original firmware J70 3.10/4 in SRE format or read step 3.

2. Convert it with sre2bin(http://sony.nm.ru/soft/sre2bin.zip) to BIN format.

3. Now we've got it in BIN format. You may just download it at
(http://sony.nm.ru/fw/J70_3.10.4.zip)

4. Execute IPSWin (http://sony.nm.ru/soft/IPSWin.zip). In "file to
patch" select yuor BIN-file. In "IPS patch to use", unzipped
NiMar_OOK2_1b4+ (http://sony.nm.ru/fw/3_10_4_OOK2_1b4+.zip). Press "Patch!".

5. Now your BIN-file had been pathced.

6. Execute sbsConvertor (http://sony.nm.ru/soft/sbsConvertor.zip). In Settings select
"BIN to SRE", check "Ignore original firmware format". In "input
file name" select your patched BIN-file. In "output file name" write
name of new SRE-file. Press Convert.

7. Flash your phone with new SRE.

After that a new menuball "NiMar's OOK2 1b4+" appear.

For upload any PRG program you'll need MI100k 2.0 for upload PRG-file
in any of 5 slots.
Then in menu "NiMar's OOK2 1b4+" will appear new item with name of uploaded program.