# Lenovo T420

## Flashing instructions
You have to disassemble the whole device, as the flash IC is on the bottom
of the mainboard.

For more details have a look at [T420 / T520 / X220 / T420s / W520 common] and

```eval_rst
:doc:`../../flash_tutorial/ext_power`
```

Steps to access the flash IC are described here [T4xx series].

[T4xx series]: t4xx_series.md
[T420 / T520 / X220 / T420s / W520 common]: xx20_series.md