[AT&T, Rogers HTC One X, Telstra One XL] vin255764:
Major thing I love about GSM is its worldwide.I bought At&t HOXL,and my first impression was-wtf,where is all languages.

And I know that system got them all,they just hidden.Flashed couple custom ROMs here and same thing,only 3 languages...

I will tell you exactly how to unlock them,please bake it and your ROM could be usefull worldwide

English is my second lang,and Im sure many will like this addon.

open system/customize/CID/default.xml

On top you will see

Before:

<?xml version="1.0" encoding="utf-8"?>
<customization_form>
<category name="system">
<module name="locale">
<function>
<set name="single">
<item name="total_list">en_US;es_US;fr_US;</item>
<item type="boolean" name="en_US">yes</item>
<item type="boolean" name="es_US">yes</item>
<item type="boolean" name="fr_US">yes</item>
</set>

Replace it to

After:

<?xml version="1.0" encoding="utf-8"?>
<customization_form>
<category name="system">
<module name="locale">
<function>
<set name="single">
<item name="total_list">ar_AR;ar_BH;ar_DZ;ar_JO;ar_KW;ar_LB;ar_LY;ar_MA;ar_OM;ar_QA;ar_TN;bg_BG;bg_BY;bg_CS;bg_CZ;bg_EE;bg_HR;bg_HU;bg_LT;bg_LV;bg_PL;bg_RO;bg_SI;bg_SK;bg_UA;cs_BG;cs_BY;cs_CS;cs_CZ;cs_EE;cs_HR;cs_HU;cs_LT;cs_LV;cs_PL;cs_RO;cs_SI;cs_SK;cs_UA;da_DK;da_FI;da_NO;da_SE;de_AO;de_AT;de_CH;de_DE;de_ES;de_FR;de_GB;de_IE;de_IT;de_KE;de_LU;de_MZ;de_NA;de_NG;de_NL;de_PT;de_ZA;el_GR;en_AE;en_AM;en_AO;en_AT;en_AU;en_AZ;en_BG;en_BH;en_BY;en_CH;en_CS;en_CZ;en_DE;en_DK;en_DZ;en_EE;en_EG;en_ES;en_FI;en_FR;en_GB;en_GE;en_GR;en_HR;en_HU;en_ID;en_IE;en_IQ;en_IT;en_JO;en_KE;en_KW;en_KZ;en_LB;en_LT;en_LU;en_LV;en_LY;en_MA;en_MZ;en_NA;en_NG;en_NL;en_NO;en_OM;en_PL;en_PT;en_QA;en_RO;en_RU;en_SA;en_SE;en_SG;en_SI;en_SK;en_TN;en_UA;en_US;en_ZA;es_ES;es_FR;es_GB;es_IE;es_IT;es_PT;es_US;fi_DK;fi_FI;fi_NO;fi_SE;fr_AE;fr_AO;fr_AT;fr_BH;fr_CH;fr_DE;fr_DZ;fr_EG;fr_ES;fr_FR;fr_GB;fr_IE;fr_IQ;fr_IT;fr_JO;fr_KE;fr_KW;fr_LB;fr_LU;fr_LY;fr_MA;fr_MZ;fr_NA;fr_NG;fr_NL;fr_OM;fr_PT;fr_QA;fr_SA;fr_TN;fr_US;fr_ZA;hi_HI;hr_BG;hr_BY;hr_CS;hr_CZ;hr_EE;hr_HR;hr_HU;hr_LT;hr_LV;hr_PL;hr_RO;hr_SI;hr_SK;hr_UA;hu_BG;hu_BY;hu_CS;hu_CZ;hu_EE;hu_HR;hu_HU;hu_LT;hu_LV;hu_PL;hu_RO;hu_SI;hu_SK;hu_UA;it_AT;it_CH;it_DE;it_FR;it_GB;it_IE;it_IT;iw_IW;ja_JP;ko_KR;nb_DK;nb_FI;nb_NO;nb_SE;nl_FR;nl_LU;nl_NL;nl_BE;pl_BG;pl_BY;pl_CS;pl_CZ;pl_EE;pl_GB;pl_HR;pl_HU;pl_IE;pl_LT;pl_LV;pl_PL;pl_RO;pl_SI;pl_SK;pl_UA;pt_AO;pt_ES;pt_FR;pt_KE;pt_MZ;pt_NA;pt_NG;pt_PT;pt_ZA;ro_BG;ro_BY;ro_CS;ro_CZ;ro_EE;ro_HR;ro_HU;ro_LT;ro_LV;ro_PL;ro_RO;ro_SI;ro_SK;ro_UA;ru_AM;ru_AZ;ru_BG;ru_BY;ru_CS;ru_CZ;ru_EE;ru_GE;ru_HR;ru_HU;ru_KZ;ru_LT;ru_LV;ru_PL;ru_RO;ru_RU;ru_SI;ru_SK;ru_UA;sk_BG;sk_BY;sk_CS;sk_CZ;sk_EE;sk_HR;sk_HU;sk_LT;sk_LV;sk_PL;sk_RO;sk_SI;sk_SK;sk_UA;sl_BG;sl_BY;sl_CS;sl_CZ;sl_EE;sl_HR;sl_HU;sl_LT;sl_LV;sl_PL;sl_RO;sl_SI;sl_SK;sl_UA;sr_BG;sr_BY;sr_CS;sr_CZ;sr_EE;sr_HR;sr_HU;sr_LT;sr_LV;sr_PL;sr_RO;sr_SI;sr_SK;sr_UA;sv_DK;sv_FI;sv_NO;sv_SE;th_TH;tr_AT;tr_CH;tr_DE;tr_TR;vi_VN;zh_CN;zh_HK;zh_TW;</item>
<item type="boolean" name="ar_AR">yes</item>
<item type="boolean" name="ar_BH">yes</item>
<item type="boolean" name="ar_DZ">yes</item>
<item type="boolean" name="ar_JO">yes</item>
<item type="boolean" name="ar_KW">yes</item>
<item type="boolean" name="ar_LB">yes</item>
<item type="boolean" name="ar_LY">yes</item>
<item type="boolean" name="ar_MA">yes</item>
<item type="boolean" name="ar_OM">yes</item>
<item type="boolean" name="ar_QA">yes</item>
<item type="boolean" name="ar_TN">yes</item>
<item type="boolean" name="bg_BG">yes</item>
<item type="boolean" name="bg_BY">yes</item>
<item type="boolean" name="bg_CS">yes</item>
<item type="boolean" name="bg_CZ">yes</item>
<item type="boolean" name="bg_EE">yes</item>
<item type="boolean" name="bg_HR">yes</item>
<item type="boolean" name="bg_HU">yes</item>
<item type="boolean" name="bg_LT">yes</item>
<item type="boolean" name="bg_LV">yes</item>
<item type="boolean" name="bg_PL">yes</item>
<item type="boolean" name="bg_RO">yes</item>
<item type="boolean" name="bg_SI">yes</item>
<item type="boolean" name="bg_SK">yes</item>
<item type="boolean" name="bg_UA">yes</item>
<item type="boolean" name="cs_BG">yes</item>
<item type="boolean" name="cs_BY">yes</item>
<item type="boolean" name="cs_CS">yes</item>
<item type="boolean" name="cs_CZ">yes</item>
<item type="boolean" name="cs_EE">yes</item>
<item type="boolean" name="cs_HR">yes</item>
<item type="boolean" name="cs_HU">yes</item>
<item type="boolean" name="cs_LT">yes</item>
<item type="boolean" name="cs_LV">yes</item>
<item type="boolean" name="cs_PL">yes</item>
<item type="boolean" name="cs_RO">yes</item>
<item type="boolean" name="cs_SI">yes</item>
<item type="boolean" name="cs_SK">yes</item>
<item type="boolean" name="cs_UA">yes</item>
<item type="boolean" name="da_DK">yes</item>
<item type="boolean" name="da_FI">yes</item>
<item type="boolean" name="da_NO">yes</item>
<item type="boolean" name="da_SE">yes</item>
<item type="boolean" name="de_AO">yes</item>
<item type="boolean" name="de_AT">yes</item>
<item type="boolean" name="de_CH">yes</item>
<item type="boolean" name="de_DE">yes</item>
<item type="boolean" name="de_ES">yes</item>
<item type="boolean" name="de_FR">yes</item>
<item type="boolean" name="de_GB">yes</item>
<item type="boolean" name="de_IE">yes</item>
<item type="boolean" name="de_IT">yes</item>
<item type="boolean" name="de_KE">yes</item>
<item type="boolean" name="de_LU">yes</item>
<item type="boolean" name="de_MZ">yes</item>
<item type="boolean" name="de_NA">yes</item>
<item type="boolean" name="de_NG">yes</item>
<item type="boolean" name="de_NL">yes</item>
<item type="boolean" name="de_PT">yes</item>
<item type="boolean" name="de_ZA">yes</item>
<item type="boolean" name="el_GR">yes</item>
<item type="boolean" name="en_AE">yes</item>
<item type="boolean" name="en_AM">yes</item>
<item type="boolean" name="en_AO">yes</item>
<item type="boolean" name="en_AT">yes</item>
<item type="boolean" name="en_AU">yes</item>
<item type="boolean" name="en_AZ">yes</item>
<item type="boolean" name="en_BG">yes</item>
<item type="boolean" name="en_BH">yes</item>
<item type="boolean" name="en_BY">yes</item>
<item type="boolean" name="en_CH">yes</item>
<item type="boolean" name="en_CS">yes</item>
<item type="boolean" name="en_CZ">yes</item>
<item type="boolean" name="en_DE">yes</item>
<item type="boolean" name="en_DK">yes</item>
<item type="boolean" name="en_DZ">yes</item>
<item type="boolean" name="en_EE">yes</item>
<item type="boolean" name="en_EG">yes</item>
<item type="boolean" name="en_ES">yes</item>
<item type="boolean" name="en_FI">yes</item>
<item type="boolean" name="en_FR">yes</item>
<item type="boolean" name="en_GB">yes</item>
<item type="boolean" name="en_GE">yes</item>
<item type="boolean" name="en_GR">yes</item>
<item type="boolean" name="en_HR">yes</item>
<item type="boolean" name="en_HU">yes</item>
<item type="boolean" name="en_ID">yes</item>
<item type="boolean" name="en_IE">yes</item>
<item type="boolean" name="en_IQ">yes</item>
<item type="boolean" name="en_IT">yes</item>
<item type="boolean" name="en_JO">yes</item>
<item type="boolean" name="en_KE">yes</item>
<item type="boolean" name="en_KW">yes</item>
<item type="boolean" name="en_KZ">yes</item>
<item type="boolean" name="en_LB">yes</item>
<item type="boolean" name="en_LT">yes</item>
<item type="boolean" name="en_LU">yes</item>
<item type="boolean" name="en_LV">yes</item>
<item type="boolean" name="en_LY">yes</item>
<item type="boolean" name="en_MA">yes</item>
<item type="boolean" name="en_MZ">yes</item>
<item type="boolean" name="en_NA">yes</item>
<item type="boolean" name="en_NG">yes</item>
<item type="boolean" name="en_NL">yes</item>
<item type="boolean" name="en_NO">yes</item>
<item type="boolean" name="en_OM">yes</item>
<item type="boolean" name="en_PL">yes</item>
<item type="boolean" name="en_PT">yes</item>
<item type="boolean" name="en_QA">yes</item>
<item type="boolean" name="en_RO">yes</item>
<item type="boolean" name="en_RU">yes</item>
<item type="boolean" name="en_SA">yes</item>
<item type="boolean" name="en_SE">yes</item>
<item type="boolean" name="en_SG">yes</item>
<item type="boolean" name="en_SI">yes</item>
<item type="boolean" name="en_SK">yes</item>
<item type="boolean" name="en_TN">yes</item>
<item type="boolean" name="en_UA">yes</item>
<item type="boolean" name="en_US">yes</item>
<item type="boolean" name="en_ZA">yes</item>
<item type="boolean" name="es_ES">yes</item>
<item type="boolean" name="es_FR">yes</item>
<item type="boolean" name="es_GB">yes</item>
<item type="boolean" name="es_IE">yes</item>
<item type="boolean" name="es_IT">yes</item>
<item type="boolean" name="es_PT">yes</item>
<item type="boolean" name="es_US">yes</item>
<item type="boolean" name="fi_DK">yes</item>
<item type="boolean" name="fi_FI">yes</item>
<item type="boolean" name="fi_NO">yes</item>
<item type="boolean" name="fi_SE">yes</item>
<item type="boolean" name="fr_AE">yes</item>
<item type="boolean" name="fr_AO">yes</item>
<item type="boolean" name="fr_AT">yes</item>
<item type="boolean" name="fr_BH">yes</item>
<item type="boolean" name="fr_CH">yes</item>
<item type="boolean" name="fr_DE">yes</item>
<item type="boolean" name="fr_DZ">yes</item>
<item type="boolean" name="fr_EG">yes</item>
<item type="boolean" name="fr_ES">yes</item>
<item type="boolean" name="fr_FR">yes</item>
<item type="boolean" name="fr_GB">yes</item>
<item type="boolean" name="fr_IE">yes</item>
<item type="boolean" name="fr_IQ">yes</item>
<item type="boolean" name="fr_IT">yes</item>
<item type="boolean" name="fr_JO">yes</item>
<item type="boolean" name="fr_KE">yes</item>
<item type="boolean" name="fr_KW">yes</item>
<item type="boolean" name="fr_LB">yes</item>
<item type="boolean" name="fr_LU">yes</item>
<item type="boolean" name="fr_LY">yes</item>
<item type="boolean" name="fr_MA">yes</item>
<item type="boolean" name="fr_MZ">yes</item>
<item type="boolean" name="fr_NA">yes</item>
<item type="boolean" name="fr_NG">yes</item>
<item type="boolean" name="fr_NL">yes</item>
<item type="boolean" name="fr_OM">yes</item>
<item type="boolean" name="fr_PT">yes</item>
<item type="boolean" name="fr_QA">yes</item>
<item type="boolean" name="fr_SA">yes</item>
<item type="boolean" name="fr_TN">yes</item>
<item type="boolean" name="fr_US">yes</item>
<item type="boolean" name="fr_ZA">yes</item>
<item type="boolean" name="hi_HI">yes</item>
<item type="boolean" name="hr_BG">yes</item>
<item type="boolean" name="hr_BY">yes</item>
<item type="boolean" name="hr_CS">yes</item>
<item type="boolean" name="hr_CZ">yes</item>
<item type="boolean" name="hr_EE">yes</item>
<item type="boolean" name="hr_HR">yes</item>
<item type="boolean" name="hr_HU">yes</item>
<item type="boolean" name="hr_LT">yes</item>
<item type="boolean" name="hr_LV">yes</item>
<item type="boolean" name="hr_PL">yes</item>
<item type="boolean" name="hr_RO">yes</item>
<item type="boolean" name="hr_SI">yes</item>
<item type="boolean" name="hr_SK">yes</item>
<item type="boolean" name="hr_UA">yes</item>
<item type="boolean" name="hu_BG">yes</item>
<item type="boolean" name="hu_BY">yes</item>
<item type="boolean" name="hu_CS">yes</item>
<item type="boolean" name="hu_CZ">yes</item>
<item type="boolean" name="hu_EE">yes</item>
<item type="boolean" name="hu_HR">yes</item>
<item type="boolean" name="hu_HU">yes</item>
<item type="boolean" name="hu_LT">yes</item>
<item type="boolean" name="hu_LV">yes</item>
<item type="boolean" name="hu_PL">yes</item>
<item type="boolean" name="hu_RO">yes</item>
<item type="boolean" name="hu_SI">yes</item>
<item type="boolean" name="hu_SK">yes</item>
<item type="boolean" name="hu_UA">yes</item>
<item type="boolean" name="it_AT">yes</item>
<item type="boolean" name="it_CH">yes</item>
<item type="boolean" name="it_DE">yes</item>
<item type="boolean" name="it_FR">yes</item>
<item type="boolean" name="it_GB">yes</item>
<item type="boolean" name="it_IE">yes</item>
<item type="boolean" name="it_IT">yes</item>
<item type="boolean" name="iw_IW">yes</item>
<item type="boolean" name="ja_JP">yes</item>
<item type="boolean" name="ko_KR">yes</item>
<item type="boolean" name="nb_DK">yes</item>
<item type="boolean" name="nb_FI">yes</item>
<item type="boolean" name="nb_NO">yes</item>
<item type="boolean" name="nb_SE">yes</item>
<item type="boolean" name="nl_FR">yes</item>
<item type="boolean" name="nl_LU">yes</item>
<item type="boolean" name="nl_NL">yes</item>
<item type="boolean" name="nl_BE">yes</item>
<item type="boolean" name="pl_BG">yes</item>
<item type="boolean" name="pl_BY">yes</item>
<item type="boolean" name="pl_CS">yes</item>
<item type="boolean" name="pl_CZ">yes</item>
<item type="boolean" name="pl_EE">yes</item>
<item type="boolean" name="pl_GB">yes</item>
<item type="boolean" name="pl_HR">yes</item>
<item type="boolean" name="pl_HU">yes</item>
<item type="boolean" name="pl_IE">yes</item>
<item type="boolean" name="pl_LT">yes</item>
<item type="boolean" name="pl_LV">yes</item>
<item type="boolean" name="pl_PL">yes</item>
<item type="boolean" name="pl_RO">yes</item>
<item type="boolean" name="pl_SI">yes</item>
<item type="boolean" name="pl_SK">yes</item>
<item type="boolean" name="pl_UA">yes</item>
<item type="boolean" name="pt_AO">yes</item>
<item type="boolean" name="pt_ES">yes</item>
<item type="boolean" name="pt_FR">yes</item>
<item type="boolean" name="pt_KE">yes</item>
<item type="boolean" name="pt_MZ">yes</item>
<item type="boolean" name="pt_NA">yes</item>
<item type="boolean" name="pt_NG">yes</item>
<item type="boolean" name="pt_PT">yes</item>
<item type="boolean" name="pt_ZA">yes</item>
<item type="boolean" name="ro_BG">yes</item>
<item type="boolean" name="ro_BY">yes</item>
<item type="boolean" name="ro_CS">yes</item>
<item type="boolean" name="ro_CZ">yes</item>
<item type="boolean" name="ro_EE">yes</item>
<item type="boolean" name="ro_HR">yes</item>
<item type="boolean" name="ro_HU">yes</item>
<item type="boolean" name="ro_LT">yes</item>
<item type="boolean" name="ro_LV">yes</item>
<item type="boolean" name="ro_PL">yes</item>
<item type="boolean" name="ro_RO">yes</item>
<item type="boolean" name="ro_SI">yes</item>
<item type="boolean" name="ro_SK">yes</item>
<item type="boolean" name="ro_UA">yes</item>
<item type="boolean" name="ru_AM">yes</item>
<item type="boolean" name="ru_AZ">yes</item>
<item type="boolean" name="ru_BG">yes</item>
<item type="boolean" name="ru_BY">yes</item>
<item type="boolean" name="ru_CS">yes</item>
<item type="boolean" name="ru_CZ">yes</item>
<item type="boolean" name="ru_EE">yes</item>
<item type="boolean" name="ru_GE">yes</item>
<item type="boolean" name="ru_HR">yes</item>
<item type="boolean" name="ru_HU">yes</item>
<item type="boolean" name="ru_KZ">yes</item>
<item type="boolean" name="ru_LT">yes</item>
<item type="boolean" name="ru_LV">yes</item>
<item type="boolean" name="ru_PL">yes</item>
<item type="boolean" name="ru_RO">yes</item>
<item type="boolean" name="ru_RU">yes</item>
<item type="boolean" name="ru_SI">yes</item>
<item type="boolean" name="ru_SK">yes</item>
<item type="boolean" name="ru_UA">yes</item>
<item type="boolean" name="sk_BG">yes</item>
<item type="boolean" name="sk_BY">yes</item>
<item type="boolean" name="sk_CS">yes</item>
<item type="boolean" name="sk_CZ">yes</item>
<item type="boolean" name="sk_EE">yes</item>
<item type="boolean" name="sk_HR">yes</item>
<item type="boolean" name="sk_HU">yes</item>
<item type="boolean" name="sk_LT">yes</item>
<item type="boolean" name="sk_LV">yes</item>
<item type="boolean" name="sk_PL">yes</item>
<item type="boolean" name="sk_RO">yes</item>
<item type="boolean" name="sk_SI">yes</item>
<item type="boolean" name="sk_SK">yes</item>
<item type="boolean" name="sk_UA">yes</item>
<item type="boolean" name="sl_BG">yes</item>
<item type="boolean" name="sl_BY">yes</item>
<item type="boolean" name="sl_CS">yes</item>
<item type="boolean" name="sl_CZ">yes</item>
<item type="boolean" name="sl_EE">yes</item>
<item type="boolean" name="sl_HR">yes</item>
<item type="boolean" name="sl_HU">yes</item>
<item type="boolean" name="sl_LT">yes</item>
<item type="boolean" name="sl_LV">yes</item>
<item type="boolean" name="sl_PL">yes</item>
<item type="boolean" name="sl_RO">yes</item>
<item type="boolean" name="sl_SI">yes</item>
<item type="boolean" name="sl_SK">yes</item>
<item type="boolean" name="sl_UA">yes</item>
<item type="boolean" name="sr_BG">yes</item>
<item type="boolean" name="sr_BY">yes</item>
<item type="boolean" name="sr_CS">yes</item>
<item type="boolean" name="sr_CZ">yes</item>
<item type="boolean" name="sr_EE">yes</item>
<item type="boolean" name="sr_HR">yes</item>
<item type="boolean" name="sr_HU">yes</item>
<item type="boolean" name="sr_LT">yes</item>
<item type="boolean" name="sr_LV">yes</item>
<item type="boolean" name="sr_PL">yes</item>
<item type="boolean" name="sr_RO">yes</item>
<item type="boolean" name="sr_SI">yes</item>
<item type="boolean" name="sr_SK">yes</item>
<item type="boolean" name="sr_UA">yes</item>
<item type="boolean" name="sv_DK">yes</item>
<item type="boolean" name="sv_FI">yes</item>
<item type="boolean" name="sv_NO">yes</item>
<item type="boolean" name="sv_SE">yes</item>
<item type="boolean" name="th_TH">yes</item>
<item type="boolean" name="tr_AT">yes</item>
<item type="boolean" name="tr_CH">yes</item>
<item type="boolean" name="tr_DE">yes</item>
<item type="boolean" name="tr_TR">yes</item>
<item type="boolean" name="vi_VN">yes</item>
<item type="boolean" name="zh_CN">yes</item>
<item type="boolean" name="zh_HK">yes</item>
<item type="boolean" name="zh_TW">yes</item>
<item type="boolean" name="defeault">en_US</item>
</set>

Done!

note:changes in default xmls will work only after wipe user data or factory reset