[Nokia 6 Guides, News, & Discussion] hikari_calyx:
After 5 years, and it's time to make bootloader unlock for free of charge.

Introduction​

HCTSW Care UU4 (Unlock Utility 4) is a batch script based Bootloader Unlock tool designed for selected FIH-made Nokia and Sharp phones released during 2017-2019.

Before you begin, please ensure you're using Windows 10 or newer. We do not provide support for using it under Windows 8.x or older OS.

Supported Model List​

Unlisted models are definitely unsupported.

Nokia 2
TA-1007/TA-1011/TA-1023/TA-1029/TA-1035

Nokia 2.1 / 2 V
TA-1080/TA-1084/TA-1086/TA-1092/TA-1093/TA-1136

Nokia 3.1
TA-1049/TA-1057/TA-1063/TA-1070/TA-1074

Nokia 3.1 A & C
TA-1140/TA-1141

Nokia 3.1 Plus
TA-1104/TA-1113/TA-1115/TA-1117/TA-1128/TA-1125

Nokia 3.1 Plus C
TA-1124

Nokia 5
TA-1024/TA-1027/TA-1044/TA-1053

Nokia 5.1
TA-1061/TA-1075/TA-1076/TA-1081/TA-1088

Nokia 5.1 Plus / X5
TA-1102/TA-1105/TA-1108/TA-1109/TA-1112/TA-1120

Nokia 6
TA-1000/TA-1003/TA-1021/TA-1025/TA-1033/TA-1039

Nokia 6.1 / 6 (2018)
TA-1016/TA-1043/TA-1045/TA-1050/TA-1054/TA-1068/TA-1089

Nokia 6.1 Plus / X6
TA-1083/TA-1099/TA-1103/TA-1116

Nokia 7
TA-1041

Nokia 7.1
TA-1085/TA-1095/TA-1096/TA-1097/TA-1100

Nokia 7 Plus
TA-1046/TA-1051/TA-1055/TA-1062/TA-1072

Nokia 8
TA-1004/TA-1012/TA-1052

Nokia 8 Sirocco
TA-1005/TA-1042

Nokia 8.1 / X7
TA-1119/TA-1121/TA-1128/TA-1131

Nokia 9 PureView
TA-1082/TA-1087/TA-1094

Nokia X71
TA-1167/TA-1172

Sharp Z3
FS8009

Sharp Aquos S2 / C10
FS8008/FS8010/FS8016/SH-Z01

Sharp Aquos S3 / D10
FS8015/FS8032/SH-D01

Sharp Aquos S3 mini
FS8018

Procedure​

1. Please submit your phone's product Serial Number and your Email address to our website, so your phone will get permission of using HCTSW Care UU4.

Unlock your Nokia phone’s Bootloader – Hikari Calyx Tech

hikaricalyx.com

This website does not check if your PSN is valid, so please double check if you provide correct PSN.

If your request cannot be submitted and it tells you "check inbox", it means either your IP address is blocked by reCAPTCHA or you're trying to spam bootloader unlock request.

2. Once you submit your PSN, please download the bootloader unlock tool here. A procedure for macOS and Linux users is also included.

How to use HCTSW Care Unlock Utility 4 to Unlock the Bootloader

Since April 9th, we’ve completely moved to HCTSW Care UU4, the latest All-in-One Bootloader Unlock utility. You can download it from here. To make sure you won’t get outdated version fr…

hikaricalyx.com

3. Extract it to a directory that does not contain brackets or spaces(e.g. "New Folder (2)" should not be used), then follow the procedure on website above.

Known Issues​

Following issues are about Magisk root procedure.

- For Nokia 5/6 with android 9 running, you can only use Magisk 19.4.

- For other else models, you can only use Magisk 24.3 then upgrade to 25.2 manually on your phone. Magisk 26.x is unusable on your phone.

Following issues are about bootloader unlock.

- For Nokia 6.1/7 released in China mainland (TA-1054 and TA-1041), you'll be asked if you'd like to install Lineage OS. By pressing Y it will install Global bootloader files then perform bootloader unlock again. After bootloader unlock finishes, you won't be able to use stock OS and you must reinstall Lineage OS immediately.

- For Sharp Aquos S2/C10, you must upgrade the phone to Android 8 before you use this tool.