Here is the collection of LG G Stylo (aka LG G4 Stylus) firmware provided from the LG Offical.
The latest firmware for LG Stylo from T-mobile H631o is H63120O based on Android M, while the software version of the MetroPCS Stylo MS631 is MS63120P.
From the below links, You can download the LG G STYLO Stock firmware
T-Mobile LG G STYLO firmware
LGH631_Android_Marshmallow_v20o
IMEI:3583870621*****
Model:LGH631TN
Suffix:ATMOOP
Buyer:TMO
Software Version:H63120O_00
OS Version:M
File Name:H63120o_00_0502.kdz
KDZ File size:1317585402
http://dl02.gdms.lge.com:5006/dn/downloader.dev?fileKey=FWDDLW2B72E5AOY4FD833JC/H63120o_00_0502.kdz
| Model | Suffix | Version | OS | File Name | Size | Download |
| LGH631TN | TMO | H63110I | L | H63110i_00.kdz | 1.24GB | Download |
| LGH631TN | TMO | H63110L | LMR1 | H63110l_00_0107.kdz | 1.25GB | Download |
| LGH631TN | TMO | H63120O | M | H63120o_00_0502.kdz | 1.22GB | Download |
MetroPCS G Stylo MS631 KDZ Firmware:
LGMS631_Android_Marshmallow_v20p
IMEI:3583880610*****
Model:LGMS631
Suffix:AMTPOP
Buyer:MTP
Software Version:MS63120P_00
OS Version:M
File Name:MS63120p_00_0502.kdz
KDZ File size:1287238597
http://dl02.gdms.lge.com:5006/dn/downloader.dev?fileKey=FWDD9NDB72VMAWE69D83RCZ/MS63120p_00_0502.kdz
| Model | Suffix | Version | OS | File Name | Size | Download |
| LGMS631 | MTP | MS63110I | L | MS63110i_00.kdz | 1.17GB | Download |
| LGMS631 | MTP | MS63110J | LMR1 | MS63110j_00.kdz | 1.17GB | Download |
| LGMS631 | MTP | MS63120P | M | MS63120p_00_0502.kdz | 1.19GB | Download |
LG G4 Stylus H630 Stock firmware
LGH630D_Marshmallow_Android_H630D_v20a
IMEI:3531780708*****
Model:LGH630
Suffix:ABRAOP
Buyer:BRA
Software Version:H63020A_00
OS Version:M
File Name:H63020a_00_0909.kdz
KDZ File size:1142474229
http://dl02.gdms.lge.com:5006/dn/downloader.dev?fileKey=FW084U9752H5AFPFC787N1W/H63020a_00_0909.kdz
| Model | Suffix | Version | OS | File Name | Size | Download |
| LGH630 | BRA | H63010F | L | H63010f_00_0222.kdz | 1.14GB | Download |
| LGH630 | BRA | H63020A | M | H63020a_00_0909.kdz | 1.06GB | Download |
LG G4 Stylus H635 Stock firmware
IMEI:3524310700*****
Model:LGH635
Suffix:AESPOP
Buyer:ESP
Software Version:H63520C_00
OS Version:M
File Name:H63520c_00_0402.kdz
KDZ File size:1304833220
http://dl02.gdms.lge.com:5006/dn/downloader.dev?fileKey=FW8CBRG0A2AEA0L66DD09U5/H63520c_00_0402.kdz
| Model | Suffix | Version | OS | File Name | Size | Download |
| LGH635 | GRC | H63510D | L | H63510d_00.kdz | 1.14GB | Download |
| LGH635 | GRC | H63520C | M | H63520c_00_0402.kdz | 1.21GB | Download |
Note: PLease USE XDM download manager to download the kdz firmware from above links. Learn how to use XDM to download LG firmware, check this guide.
If you need to download the firmware for a specific LG G4 Stylus, just visit https://9to5lg.com/, input your phone’s IMEI and click check to download the latest firmware for your phone.