How to change the numbering in a subsection?

Question

I have the following code:

\documentclass[a4paper]{article}
\begin{document}

\section{Section 1}

\subsection{Subsection 1.1}
\subsection{Subsection 1.2}

\section{Section 2}

\subsection{Subsection 2.1}
\subsection{Subsection 2.2}
\subsection{Subsection 2.3}

\end{document}

I would like the subsections 2.1 to 2.3 to be numbered A, B and C insetead, but don't want to change the numbering of subsections 1.1 and 1.2. Is that possible? And if it is, how?

Please keep the trick it as simple as possible. Thanks.

Answer 1

Like this, for instance?

\documentclass[a4paper]{article}
\begin{document}

\section{Section 1}

\subsection{Subsection 1.1}
\subsection{Subsection 1.2}

\section{Section 2}
\renewcommand\thesubsection{\Alph{subsection}}
\subsection{Subsection 2.1}
\subsection{Subsection 2.2}
\subsection{Subsection 2.3}

\end{document}